explain how to do them thanks these will be the answers
6. (a) 0.35 % (b) 0.026 M

7. (a) 0.040 mol (b) 6.5 g of zinc sulfate


6. A solution was prepared by dissolving 4.20 g of aluminum chloride in water to make 1.2 liters at 30 deg C.

(a)What is the %m/v of the solution?




(b)What is the molarity of the solution?






7. Questions 7a-c relate to solutions of zinc sulfate.

(a) How many moles of zinc sulfate are there in 155 mL of an 0.26 M solution?






(b) How many grams of cadmium carbonate are there?