(a) Calculate the molarity of a solution made by dissolving 0.750 grams of Na2SO4 in enough water to form exactly 850 mL of solution. (b) How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution? (c) How many milliliters of 11.6 M HCL solution are needed to obtain 0.250 mol of HCL?
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