Calculate the number of moles
Phosphorus pentachloride, PCl5, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of PCl5.
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The empirical formula for acetic acid is CH2O. Its molar mass is 60 g/mol. The molecular formula is
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A solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. If the boiling point increases by .203C, what is the mass of the solute?
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