The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to

The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate? I don't want the answer I just want the formula to solve the answer..Thanks so much I have been stuck on this question for 2 days now.. I have never taken a chemistry class before and any help is greatly appreciated