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A. Calculate the molarity of the following commercial solution: 70.0% HClO 4 , density 1.668 g/mL. B. Calculate the molarity of the following commercial solution:

A. Calculate the molarity of the following commercial solution: 70.0% HClO₄, density 1.668 g/mL.

B. Calculate the molarity of the following commercial solution: 69.0% HNO₃, density 1.409 g/mL.

C. Calculate the molarity of the following commercial solution: 28.0% NH₃, density 0.898 g/mL.

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