30. What is the mass in grams of a sample of Fe2(SO4)3 that contains 3.59 x 1023 sulfate ions, SO42-

The gas would begin to expand, and eventually the can would burst or explode.

D. is the answer hope that you

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.