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How many grams of H2O are produced when 2.50 grams of oxygen are used.

User M Alkhatib
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Answer:

Thus, when 2.5 mol of oxygen reacted with hydrogen, 2 * 2.5 mol = 5 mol of water is produced. The molar mass of water is 18 g/mol. One mol of water weighs 18 g. 5 mol of water weights 5 * 18 = 90 g.21

User Chiamaka Nwolisa
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