# chemistry

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

• chemistry -

mols = grams/molar mass
Then M = mols/L where L = 0.550

• chemistry -

Calculate the molarity (M) of 30.0 grams of KOH (molar mass:56.11) in 200.00 ml of solution.

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