Question: (a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b)

(a) Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.
(b) How many moles of KBr are present in 150 mL of a 0.275 M solution?
(c) How many milliliters of 6.1 M HCl solution are needed to obtain 0.100 mol of HCl?

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