Molarity of HOAc = (1.1544 x 10^-2 mol NaOH) / (0.02132 L vinegar)

  • Thread starter Thread starter asimon2008
  • Start date Start date
  • Tags Tags
    Molarity
Click For Summary
SUMMARY

The molarity of acetic acid (HOAc) in the vinegar sample is calculated using the titration data provided. The student titrated 22.32 mL of vinegar with 0.5172 M NaOH, resulting in 1.1544 x 10^-2 moles of NaOH. Given the one-to-one mole ratio between HOAc and NaOH, the molarity of HOAc is determined using the formula Ms*Ls = Mt*Lt, where Ms is the molarity of HOAc, Ls is the volume of vinegar, Mt is the molarity of NaOH, and Lt is the volume of NaOH used.

PREREQUISITES
  • Understanding of titration principles
  • Knowledge of molarity calculations
  • Familiarity with acetic acid and sodium hydroxide reactions
  • Ability to convert between milliliters and liters
NEXT STEPS
  • Learn about titration techniques and best practices
  • Study the properties and reactions of acetic acid
  • Explore advanced molarity calculations in different contexts
  • Investigate the use of indicators in acid-base titrations
USEFUL FOR

Chemistry students, laboratory technicians, and educators involved in acid-base titration experiments and calculations.

asimon2008
Messages
6
Reaction score
0

Homework Statement


A student performing this experiment tirates 22.32 mL of vinegar with 0.5172 M NaOH. The initial NaOH buret reading is 1.18 mL and the final NaOH buret reading is 21.35 mL. What is the molarity of HOAc in the vinegar sample?


Homework Equations





The Attempt at a Solution


(22.32) mL) (1L/1000 mL) (0.5172 mol/L)= 1.1544 x 10^-2 mol NaOH
 
Physics news on Phys.org
To calculate moles of NaOH you need volume of NaOH solution. 22.32 mL was volume of acetic acid.

--
 
(moles of sought compound) = (moles of titrant compound), if their mole ratio for the reaction is one to one;
Also, for same ratio, Ms*Ls=Mt*Lt,
where subscripts are s for sought and t for titrant.
 

Similar threads

  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 1 ·
Replies
1
Views
9K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 2 ·
Replies
2
Views
5K
  • · Replies 1 ·
Replies
1
Views
15K
  • · Replies 6 ·
Replies
6
Views
7K
Replies
1
Views
9K
Replies
1
Views
24K
  • · Replies 1 ·
Replies
1
Views
3K