Part A Calculate the molarity of a solution prepared by dissolving 12.1 gg of Na2CrO4Na2CrO4 in enough water to produce

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Part A Calculate the molarity of a solution prepared by dissolving 12.1 gg of Na2CrO4Na2CrO4 in enough water to produce

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Part A
Calculate the molarity of a solution prepared by dissolving12.1 gg of Na2CrO4Na2CrO4 in enough water toproduce a solution with a volume of 690. mLmL .
Express the molarity to three significant digits.
Part B
How many moles of KBrKBr are present in180. mLmL of a 0.130 MM solution?
Express the amount in moles to three significant digits.
Part C
How many milliliters of 6.5 MM HClHCl solutionare needed to obtain 0.15 molmol of HClHCl?
Express the volume in milliliters to two significant digits.
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