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Chemistry Question Part a) A solution of hydrofluoric acid contains 48.0% HF by mass and has...

Chemistry Question

Part a)

A solution of hydrofluoric acid contains 48.0% HF by mass and has a density of 1.15 g/mL at 25 °C. What volume of this solution should be used in a reaction requiring 1.25 mol HF? (Be sure to indicate the appropriate number of significant figures in the final answer.)

Part b)

What volume of 1.25 M HF(aq) must be diluted with water to prepare 0.500 L of 0.1 M HF(aq)? ​

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