Solving for mass of a solute given ppm and volume?

In summary, the formula for calculating the mass of a solute given ppm and volume is: Mass of solute (g) = (ppm x Volume (mL)) / 1000. To convert ppm to grams per liter, you can use the formula: g/L = ppm / 1000. The unit of volume must be in milliliters (mL) in order to use the formula. It is necessary to know the density of the solution when solving for mass of a solute given ppm and volume, as ppm is a unit of concentration dependent on the solution's density. However, with the density and molecular weight of the solute, you can accurately calculate the mass of a solute given ppm and volume
  • #1
CamD13
2
0
The question is: A solution contains 23ppm of dissolved O2 in 242.0066 mL of solution. What is the mass of the oxygen.

Formula: ppm=(grams of solute/grams of solution)*1,000,000

I tried plugging stuff in but it wasn't working out what so ever.

I just don't know how to do these when given so little information. Thanks in advance if you can help.
 
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  • #2
The solution is NOT water.
 
  • #3
Formula calls for the mass of the solution. You are give volume. You either have enough information to do the conversion, or not - hard to say not knowing the context.
 

1. What is the formula for calculating the mass of a solute given ppm and volume?

The formula for calculating the mass of a solute given ppm and volume is:
Mass of solute (g) = (ppm x Volume (mL)) / 1000

2. How do I convert ppm to grams per liter?

To convert ppm to grams per liter, you can use the following formula:
g/L = ppm / 1000

3. Can I use any unit of volume when calculating the mass of a solute given ppm?

No, the unit of volume must be in milliliters (mL) in order to use the formula for calculating the mass of a solute given ppm and volume.

4. Is it necessary to know the density of the solution when solving for mass of a solute given ppm and volume?

Yes, in order to accurately calculate the mass of a solute, you must know the density of the solution. This is because ppm is a unit of concentration, which is dependent on the density of the solution.

5. Can I solve for the mass of a solute if I only have the ppm and volume of the solution?

Yes, as long as you know the density of the solution, you can use the formula to calculate the mass of a solute given ppm and volume. However, it is recommended to also have the molecular weight of the solute in order to confirm the accuracy of the calculation.

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