# Chemistry II

How much of solid potassium chromate whould you use to prepare 2.00 L of 0.400 M potassium chromate?

M x L = mols
g/molar mass = mols OR
M x L = g/molar mass
solve for g.

.400 mol/L x 2.00 = g/194
g = 155.2

Thanks!!

1. 👍 0
2. 👎 0
3. 👁 146

## Similar Questions

1. ### chemistry

A student wishes to prepare 1.000 g of silver chromate. How many mL of .05000M silver nitrate solution should be added to 50.00 mL of .0700M potassium chromate solution assuming 100% yield

asked by mom on September 25, 2012
2. ### Chemistry

Silver chromate may be prepared by the following reaction. 2 AgNO3(aq) + K2CrO4(aq)  Ag2CrO4(s) + 2 KNO3(aq) Calculate the mass of silver chromate produced when 0.623 L of 1.345 M silver nitrate is reacted with 245 mL of 1.89 M

asked by Cj on October 2, 2014
3. ### chemistry

Silver chromate is sparingly soluble in aqueous solutions. The Ksp of Ag2CrO4 is 1.12× 10–12. What is the solubility (in mol/L) of silver chromate in 1.00 M potassium chromate aqueous solution?

asked by Katie on February 13, 2012
4. ### Chemistry

what is the molar solubility of lead(II) chromate (ksp=1.8x10^-14) in 0.13 M potassium chromate?

asked by Anonymous on April 9, 2012
5. ### chemistry

What is the molar solubility of lead(II) chromate (ksp=1.8x10^-14) in 0.13 M potassium chromate?

asked by Anonymous on April 9, 2012
6. ### Chemistry (urgent)

Hi, I have a few chemistry problems that I'm having trouble solving. I put my attempted solutions after the problems in *'s. There was one problem I had no idea how to solve. What concentration of silver chromate (Ksp = 9.0 x

asked by Maggie on April 12, 2010
7. ### Molarity

A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1

asked by Kellie on February 25, 2007
8. ### Chemistry

When aqueous solutions of lead(II) ion are treated with potassium chromate solution, a bright yellow precipitate of lead(II) chromate, PbCrO4, forms. How many grams of lead chromate form when a 1.60-g sample of Pb(NO3)2 is added

asked by Jamie lee on April 27, 2015
9. ### chemistry

A chemist performed an experiment in which silver nitrate was used to precipitate all of the chromate ion as silver chromate, Ag2CrO4 from 200 mL of a solution of potassium chromate, K2CrO4. This process required 120 mL of 0.200 M

asked by stephanie on October 10, 2011
10. ### Chemistry

Hi, I have a few chemistry problems that I'm having trouble solving. I put my attempted solutions after the problems in *'s. There was one problem I had no idea how to solve. What concentration of silver chromate (Ksp = 9.0 x

asked by Maggie on April 12, 2010

More Similar Questions