# Chemistry

Suppose 24.9 grams of copper (II) nitrate is dissolved in 200. milliliters of a 0.70 moles/liter aqueous solution of sodium chromate.

Calculate the final molarity of nitrate anion in the solution.

1. 👍 0
2. 👎 0
3. 👁 778
1. 24.9g/molar mass Cu(NO3)2 = mols Cu(NO3)2.
There are two mols NO3^- for each mole Cu(NO3)2.
Then M = mols/L soln = mols/0.200L = ?

1. 👍 1
2. 👎 0

## Similar Questions

1. ### chemistry

Suppose 24.9 grams of copper (II) nitrate is dissolved in 200. milliliters of a 0.70 moles/liter aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution.

asked by Deborah on January 20, 2012
2. ### AP CHEM

When 0.03 moles of lead(II) nitrate are dissolved in enough water to make 266 milliliters of solution, what is the molar concentration of nitrate ions? Answer in units of M I already tried moles per liter and it says it is wrong.

asked by Joe on April 1, 2012
3. ### chemistry

Suppose of copper (II) nitrate is dissolved in of a aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the copper (II)

4. ### chemistry

I have 3 grams of CaCI2 and dissolve this into 0.5 L water. What is the concentration in g/dl (grams/deciliter)? I take 10 milliliters of this solution and add it to 990 milliliters of watet fo a total of 1000 milliliters. What is

asked by maria on September 17, 2014
5. ### CHEM MOLES !@@!

Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles

asked by Theresa on December 16, 2014
6. ### Chemistry (Regents level)

1- In the reaction Fe2O3 + 3 CO = 2 Fe + 3 CO2, what is the total number of moles of CO used to produce 112 grams of iron? a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed

asked by Jessica on February 23, 2008
7. ### Chemistry

When 0.046 moles of lead(II) nitrate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of nitrate ions? Answer in units of M.

asked by Cheyenne on September 23, 2010
8. ### chemistry

A mixture of 3.00 g of silver and copper metals was dissolved in excess nitric acid. Resulting salts, silver(I) nitrate and copper(II) nitrate, were isolated and dissolved in enough water to make 0.100 L of a solution with a total

asked by al on September 29, 2014
9. ### Ap chem

When 80.4 moles of calcium acetate are dissolved in enough water to make 222.2 milliliters of solution, what is the molarity of acetate ions? Answer in units of M I already tried moles/liter and it was wrong

asked by Sarah on April 1, 2012
10. ### chemistry

how many moles of nitrate ions are in 10.00 grams of copper(II) nitrate?".

asked by Anonymous on October 25, 2010

More Similar Questions