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Calculate the molarity of a solution prepared by dissolving 13.0 g of Na2CrO4 in enough water to produce a solution with a volume of 800. mL .

Express the molarity to three significant digits.

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fouziaazmi484

Answer:

molar mass sodium chromate = 162g

12.6g ÷ 162g/mole = moles sodium chromate (This is the solute)

molalrity or M = moles solute ÷ lliters of solution (You'll have to change given mL to L)

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