1) Calculate the molality when 125.0 grams of CuCl2 is dissolved in 1500.0 g of solvent.

2) 99.8 grams of KCl is dissolved in 1.00 kg of solvent. What is the molality?

3.) Sea water contains roughly 50.0 g of NaCl per 2 liters of solution. What is the molarity of sodium chloride in sea water?

4.) How many moles of Na2CO3 are in 150.0 mL of a 2.5 M solution?

5.) What volume (in mL) of 18.0 M H2SO4 is needed to contain 25.45 g H2SO4?