What is Dilution: Definition and 68 Discussions

Stock dilution, also known as equity dilution, is the decrease in existing shareholders' ownership percentage of a company as a result of the company issuing new equity. New equity increases the total shares outstanding which has a dilutive effect on the ownership percentage of existing shareholders. This increase in the number of shares outstanding can result from a primary market offering (including an initial public offering), employees exercising stock options, or by issuance or conversion of convertible bonds, preferred shares or warrants into stock. This dilution can shift fundamental positions of the stock such as ownership percentage, voting control, earnings per share, and the value of individual shares.

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  1. S

    Chemistry Moles of NaOH to Create Buffer Solution pH=6 in 0.42M Ethanoic Acid

    the first and second seem easy... a. how many moles of ethanoic acid are there in 100 mL of the 0.42 M solution n = CV = (0.42 M)(0.1 L) = 0.042 mol b. how many moles of NaOH must be added to the 100 mL 0.42 M ethanoic acid solution to create a buffer solution of ph = 6 this is where the...
  2. M

    Derive a general expression for the dilution of saltwater

    I know that it will take 3 washings to reach the desired purity of sand, and that "N-1" is an exponent in the general expression, but I am stuck beyond that.
  3. L

    Basic molarity and dilution formulas

    ok, for the life of me i can not remember how to do the BASIC math for my issue. I mean, i can do calc but i have forgotten basic math haha. here is my question. If i have 91% grain alcohol, how do i figure out how much water to add to it to drop the percentage to 70%. Dimensional analysis is...
  4. S

    Chemistry What is the Relationship Between Specific Gravity and Dilution?

    i am nonplussed about how to proceed with this dilution, probably it is very simple.
  5. I

    Dilution problem when only working with grams

    Hi, So I am aware of the C1V1=C2V2 equation but I feel that this is not really applicable here. I attempted to go about it through instinct, so I would take 0.801g/43.883g = 0.0182. And then just multiply 0.0182 with 2.34g, to get 0.0426g. So the answer would be, if I took 2.34 g from the...
  6. D

    Understanding Successive Dilution in Laboratory Experiments

    I am afraid I am doing something really wrong, I would thank if somene could see what may I be doing wrong. I started with the second dilution, the number of moles of Mg, K and Ca present in 5, 2.5 and 20 mL is assumed to be the same after the dilution to 50mL right, only concentration changed...
  7. Foreverlearning

    I The role of capillaries in a dilution refrigerator

    I've been trying to understand how dilution refrigerators work and inbetween intermediate steps, between different temperature points, I see capillaries here and there under the name of impedances. After some googling, I somewhat convinced myself that it's to build up pressure before and after...
  8. J

    Difference between diluting and adding

    Homework Statement Place 20.0 g NaOH(s) in a flask and dilute to 1.00 L with water. Place 20.0 g NaOH(s) in a flask and add 1.00 L of water. How exactly do these two statements differ? Wouldn't adding 1.00L of water to 20.0g of NaOH dilute it anyways? Homework Equations none? The Attempt...
  9. L

    Can I Use Stoichiometry to Predict the Products of a Reaction?

    Homework Statement Homework Equations M = n/L[/B]The Attempt at a Solution My answer is A) 1.02 M but I am not sure if i did this right. Can someone explain why this might be right or wrong? I got moles of Al(NO3)3 =0.0393 moles I got moles of Ca(NO3)2 = 0.0426 moles by multiplying...
  10. L

    Dilution v.s Neutralization Problem

    Homework Statement So, i have two different problems, and I'm not sure why the technique for solving them is different! They look the same! My main problem is whether i should us M1V1 = M2V2 to solve for volume or to use stoic by using a balanced chemical equation... the first problem is ...
  11. S

    Dilution process in spectrophometer

    When using spectrophotometer, to use Rambert-beer's law, we often go through dilution process. Then when measuring neutralization reaction and using week acid or base, then because of water's autoionizaition, i think the results have error. Is it right?
  12. L

    Calculating amount of H2SO4 needed for dilution

    Homework Statement How much 4.00M of HCl is required to make 100ml of 0.400M HCl? Homework Equations M1V1 = M2V2 The Attempt at a Solution Its (4.00M)*(xL) = (0.400M)(0.100L) I think its 0.005L but the possible answer (multiple choice) say otherwise...
  13. A

    TiO2 Dispersion in Water: Challenges and Solutions

    Hello fellow scientists.I am currently doing a project that requires me to make a stock solution of titanium dioxide which i will use to make different concentrations and measure absorbance and then plot a calibration curve which will be used to determine the concentration of Ti02 in an unknown...
  14. R

    Calculate dilution to create new specific gravity

    I am trying to make specific gravity controls using ethylene glycol and DI water. Ethylene glycol has a specific gravity of 1.113. I want to know the weight in grams of EG to add and then QS with water to achieve 50 ml of a solution with a specific gravity of 1.002. I need a formula please...
  15. K

    How do I find the ph without using Hasselbach's equation?

    Homework Statement hi so in my lab class we made a buffer solution by mixing 20.00 ml of 0.100 M Sodium Hydroxide and 40.00 ml of 0.100 M of acetic acid. We then poured 15ml of this buffer solution into a beaker. So we essentially have 15 ml of this buffer solution in the beaker. We then added...
  16. Aafia

    How does the degree of dilution affect electrolyte dissociation?

    How dissociation of electrolyte depends on it ... explain it simply
  17. Namkceis

    Creating Different Concentrations of Hydrogen Peroxide

    < Mentor Note -- thread moved to HH from the technical forums, so no HH Template is shown > The experiment I'm trying to do can be found in the attachment below. Prepare 20 mL solutions of hydrogen peroxide in the following concentrations: 0%,0.5%, 1.0%, 1.5%, 2.0%, 2.5%, 3.0% hydrogen...
  18. gfd43tg

    Bioreactor washout dilution rate

    Homework Statement The production of a product P from a particular gram negative bacteria follows the Monod growth law $$-r_{S} = \frac {\mu_{max}C_{S}C_{C}}{K_{M}+C_{S}}$$ with ##\mu_{max} = 1 \hspace{0.05 in} hr^{-1}##, ##K_{M} = 0.25 \hspace{0.05 in} g/L##, and ##Y_{C/S} = 0.5 \hspace{0.05...
  19. R

    Making a 50% solution from Liquid Citric Acid

    I have a bottle of !00% liquid Citric Acid with the label showing Citric Acid and Water as contents. I need a 50% solution of the acid. Do I dilute this with water 50-50?
  20. Ritzycat

    Calculating Molarity for a Diluted Ethanol Solution - Quick Dilution Question

    Homework Statement The mols of ethanol is 1.72x10^-4. I am trying to find its volume. However, I am confused on what the molarity of this solution is. (Molarity here is in mol/L) (the 10mL sample contained 1.72x10^-4 mols of ethanol, but it was diluted in 90 mL water) The lab said...
  21. S

    Thermo Calculation for Diluting 2.5% H3PO4 at 353°C to 100°C with Water

    Hi there If I have 2.5% H3PO4 at 353 degrees C and I need to bring the solution down to 100 degrees C only by adding any amount water, how do I go about the thermo calculation? I need final temperature and amount of water (thus final concentration... likely <0.1 M? ) Heat capacity approaches...
  22. F

    MHB Dilution of a Solution Strengths

    I want to mix 4 strengths of solutions. I thought to save time I would mix 1 a 0mg strength and a second at 18mg strength. How do I use those two solutions to make a 6mg, 12 mg strength solution? The ratio of (OV)*(OS)=(NV)*(NS) where OV=Old Volume, OS=Old Strength,, NV=New Volume, NS=New...
  23. B

    Is Dilution of Pharmaceuticals Necessary for Accurate Dosage?

    I have a question regarding the dilution of a pharmaceutical. I need to provide subjects in a study with a certain amount of drug (1200 mg), and there is 3.3 g in 5 mL of the preformed solution. Since I will require about 1.82 mL to achieve the necessary amount of drug (1200 mg), should I just...
  24. J

    Solving Dilution Problem w/o Original Volume

    Homework Statement What volume of water must be added to a sample of 8.00 M Nitric Acid in order to produce 500. mL of 1.25 M Nitric Acid? (A) 422 mL (B) 499 mL (C) 625 mL (D) 0.625 L (E) None of The Above The correct answer is A in bold. Homework Equations molarity= moles/Liter The...
  25. R

    Simple solutions question (dilution)

    Homework Statement Hi. If I have 3 mL of a Fe3+ solution (0.0007 mol/L) and that is treated with SCN- to form a complex and then is diluted until I have 100 mL of a solution. What would be the final concentraton of that solution? Homework Equations C1*M1= C2*M2 The Attempt at a...
  26. S

    Calculating HCl Concentration in Dilution Problem

    Homework Statement How much 2M HCl do you have to add to 5 liters of 6 M HCl, to obtain a 3.5 M HCl solution? The Attempt at a Solution I initially thought of something like m1v1=m2v2, but that doesn't seem to really work in this case :/?
  27. V

    How do I do this glucose dilution problem?

    Homework Statement how do you prepare a solution for 25ml of 2.5% glucose form a stock of 1.75M glucose i don't get how you would do this without the density of 2.5% glucose solution Homework Equations c1v2 = c2v2 molecular mass glucose = 180g/molThe Attempt at a Solution not sure if I am...
  28. L

    Understanding Dilution Principles in Nuclear Power Plant Disasters

    I am a mechanical engineering student who is taking his first chemistry class this upcomming semester. I have a question regarding water and its dilution principles. I have reading up on how Nuclear power plants work. I am curious to how the ocean water disolves and dilutes the radioactive...
  29. O

    Dye Dilution; Estimate value of an Integral

    Homework Statement The dye dilution is used to measure cardiac output with 6 mg of dye. The dye concentrations, in mg/L, are modeled by c(t)=20te^(-0.6t), 0 =< t =< 10, where t is measured in seconds. Find the cardiac output.Homework Equations Cardiac output is given by: F=A/\int[c(t) dt]010...
  30. D

    Differential Equation Dilution problem

    A tank initially holds 80 gal of a brine solution containing 1/8 lb of salt per gallon. At t=0, another brine solution containing 1 lb of salt per gallon is poured into the tank at the rate of 4 gal/min, while the well stirred mixture leaves the tank at the rate of 8 gal/min. a) set-up the DE to...
  31. B

    Calculating pH and [H3O+] after dilution

    A solution contains 0.200 mol HC2H3O2, 0.200 mol NaC2H3O2, and enough water to make 1.00 L of solution. a) Calculate the hydronium ion concentration. b) Calculate the new hydronium ion concentration after the solution is diluted to 2.00 L For a), I know the pH is just the same as the pKa of...
  32. Z

    Solutions effect of dilution will not take place?

    Homework Statement Multiple Choice- In which of the following solutions effect of dilution will not take place?? (A) 100 ml 0.1 M CH3COOH with 50 ml 0.1 M NaOH (B) 100 ml 0.1 M CH3COOH with 100 ml 0.1 M NaOH (C) 100 ml 0.1 M CH3COOH with 50 ml 0.1 M NH4OH (D) 100 ml 0.1 M...
  33. A

    Incorrect dilution values per text implications.

    Homework Statement Volumes of 1, 5, 10 and 15mL .0024M K2CrO4 are added to separate flasks and then filled with enough .25M NaNO3 to make 100mL of solution each. I'm asked to calculate the [CrO4^2-] per flask. I assume that all of the K2CrO4 will dissociate and, since there is only 1mol...
  34. U

    Dilution Help: Finding the volume of water needed

    The objective: Acquire 60 mL of 0.1 mol Albumin. The only Albumin solution available is a 2.5 mol stock solution. 1)How many milliliters of the stock solution will you need to make the desired amount of the 0.1 M solution? I used the C1 X V1 = C2 X V2 formula to calculate an answer of 2.4 mL...
  35. N

    What is the Formula for Dilution with a Full Tank and Only Fresh Water Inflow?

    I have a problem I finally answered, but it made me think. The formula is dy/dt=rate in - rate out for dilution. If a tank is full of salt and only fresh water flows in, are we treating rate in as 0 if we are looking to find how much salt is left at any time t?
  36. P

    Efficient Biology Dilution Techniques for Accurate Results | Homework Help

    Homework Statement Here goes the question: I was told to dilute blood with saline solution, in the ratio of 1 part of blood to 10 parts of saline. I need around 20 cm3 of the blood solution. 2. The attempt at a solution I did it by placing 1 cm3 of blood into a testube, then follow...
  37. F

    Dilution: 18-2wt% Solution | Calculate Volume

    Hey, I have a solution of 18 wt % (about 1g/ml) I want to make it into a solution of 2 wt % by diluting it with water. Using C1 V1 = C2 V2 could someone show me how to do it. I have tried but seem to be getting muddled somewhere. Thanks!
  38. A

    Dilution & Strength: Is More Concentrated Better?

    Is it right to say that a dilute acid is stronger than the same acid which has higher molarity? By Ostwald's dilution law I can say that dissociation degree for the dilute sample is more. So it is a better electrolyte. But I also find that pH for concentrated sample is appreciably more...
  39. T

    Solve ODE Dilution Problem: 400-400e

    A tank initially contains 200 gal of fresh water with 0 lbs of salt. Brine whose salt concentration is 2lb/gal flow in at 2 gal/min and the mix flows out at the same rate. x = salt content, t = time. So I figure that dx = 4dt - 2xdt/200 or dx = (400 - x).01dt dx/(400-x) = .01dt \int0x...
  40. T

    Solving Dilution Problem with Water Level Change & Brine Addition

    Ok, I'm working through some dilution/accretion problems in my ODEs book (not homework), all of them centered around draining brine from a tank. The author illustrates the method for solving the problem when you're adding more brine to the tank, and the total water level stays the same, you...
  41. K

    Does this serial dilution question make sense?

    "You have a sample with a concentration of 1x106 bacteria/ml and you wish to know how many of these bacteria are viable. You dilute the sample down to a single bacterium/ml and plate 100 microliters of this diluted sample onto an agar dish. After incubating the dish for two weeks you count...
  42. N

    Calculate NaCl Concentration after Dilution

    Homework Statement Addition of 2uL of 50mM NaCl to a 30 uL reaction gives a final NaCl concentration of ______ M. Homework Equations The Attempt at a Solution so because you add 2uL to 30uL, the dilution is (2 / 2+30) = 1/16 Then I multiplied the dilution with the concentration...
  43. N

    Calculating Final NaCl Concentration After Dilution

    Hello all, I just want to confirm that I am on the right track for a certain question regarding dilution and concentration Q: Addition of 2uL of 50mM NaCl to a 30 uL reaction gives a final NaCl concentration of ______ M. Attempt: so because you add 2uL to 30uL, the dilution is (2 / 2+30)...
  44. S

    Simple Dilution Problem: Calculating Final Concentration (M)

    This problem seems simple enough, yet my professor says my answer is incorrect. Here is the problem. 1 ml of a 0.10 M solution of HCL is added to 21 ml of distilled water. What is the final concentration of the solution (M)? Im going to use the equation C1*V1=C2*V2 Where C1 is the...
  45. X

    How do I prepare this solution? Dilution? CV=CV?

    Homework Statement In 50mL flask prepare sol 50 miM in SDS and 30 miM in Na C l" MW of SDS = 288.38g/mol MW of NaCl=58.44 g/mol Homework Equations N/A The Attempt at a Solution I think aqueous means I should dissolve it in water. So SDS in water, then NaCl in water...and then combine it...
  46. T

    Dilution Calc: Find x for 30% Sulphuric Acid

    Homework Statement 150g of a solution which is 20% sulphuric acid (by mass) are added to x grams of a solution which is 70% sulphuric acid (by mass). What must be the value of x so that the final mixture shall contain 30% sulphuric acid (by mass)? Homework Equations a/b=c/d ? Not...
  47. C

    Chemistry What is the molarity of the HCl solution? Help Solving Dilution & Moles Problems

    I have two problems that I have trouble with. One I attempted, but I don't think I came up with the right formula. Any help would be appreciated! Problem one Use the dilution relationship (Mi x Vi = Mf x Vf) to calculate the volume of 0.500 M NaOH needed to prepare 500 mL of .250 M NaOH...
  48. T

    Analytical chem lab and dilution factors

    Homework Statement Find the mg of Fe in vitamin pill. Vitamin pill was dissolved in 25mL HCl which was then diluted to 250mL with water in flask. 25mL of that solution was then diluted to 100mL in another flask. 10mL of the second was diluted to 100mL in another flask. Absorbance of the last...
  49. Z

    Dilution and Accretion Problem - Diff. Eq.

    Homework Statement A tank initially contains 100 gal of brine whose salt concentration is 1/2 lb/gal. Bine whose salt concentration is 2 lb/gal flows into the tank at the rate of 3 gal/min. The mixture flows out at the rate of 2 gal/min. Find the salt content of the brine and its concentration...
  50. S

    Dilution Factors, Determining Molarity

    Homework Statement "A scientist prepares 100 mL of an iron (III) nitrate solution by weighing out 4.8372 grams of the solid iron (III) nitrate and dissolving it in deionized water using a 100 mL volumetric flask. She then pipettes 5 mL of that solution into a 20 mL volumetric flask and...
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