If the mass of one mole of hydrogen is 1.01 grams; phosphorus, 30.97 grams; and oxygen, 16.0 grams, what is the molar mass of phosphoric acid (H3PO4)? 50.0 grams 66.0 grams 82.0 grams 98.0 grams
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98 is the appropriate answer
joshua121:
thank u
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