If 5.29 g of CuNO3 is dissolved in water to make a 0.370 M solution, what is the volume of the solution?

Answer 1

I assume you really meant CuNO3 and not Cu(NO3)2.
mols CuNO3 = grams/molar mass = ?
Then M CuNO3 = mols CuNO3/L CuNO3 solution. You know M and mols, solve for L.