6. Chemical Quantities & Aqueous Reactions

What mass of MgBr₂ in grams are in 215 mL of a 0.350 M solution of MgBr₂?

How many grams of LiF would be present in 575 mL of 0.750 M LiF solution?

What is the molarity of a solution containing 4.2 moles of NaCl and a volume of 2.3 L?