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1) Calculate the molarity of a solution prepared by dissolving 11.0 g of HCl in enough water to make 2.50 L of solution.

M

2) How many moles of Ag+ ions are present in 20.0 mL of a 0.520 M Ag2SO4 solution?

moles

3) How many grams of formaldehyde are in 1000.0 mL of a 15.2 M aqueous solution of formaldehyde (formalin)? The formula for formaldehyde is HCHO. grams