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Calculate the molarity of each of these solutions

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Reference no: EM131158752

Calculate the molarity of each of these solutions.

a. A 5.623-g sample of NaHCO3 is dissolved in enough water to make 250.0 mL of solution.

b. A 184.6-mg sample of K2Cr2O7 is dissolved in enough water to make 500.0 mL of solution.

c. A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3 to form Cu2 ions and then water is added to make a total volume of 200.0 mL. (Calculate the molarity of Cu2.)

Reference no: EM131158752

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