A 65.25 g sample of CuSO4*5H20 (M=249.7) is dissolved in enough water to make .8L of solution. What volume of this solution must be diluted with water to make 1L of .1M CuSO4.

I don't know where to begin. If I can figure out where to start, I can finish the problem.

Question

A 65.25 g sample of CuSO4*5H20 (M=249.7) is dissolved in enough water to make .8L of solution. What volume of this solution must be diluted with water to make 1L of .1M CuSO4. 

I don't know where to begin. If I can figure out where to start, I can finish the problem.

aaronq · Answer

simple plug and chug, use the molarity formula

Molarity=moles of solute/Liters of solution