sabrinahernandezz sabrinahernandezz

24-02-2022
Chemistry

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How many moles of O2 are in 8.4 g of oxygen?

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elliottou elliottou

24-02-2022

Answer:

0.263 moles

Explanation:

molar mass of O = 15.999
molar mass of O2 = 15.999 X 2 = 31.998

1 mole of O2 weights 31.998 grams

8.4 g O2 * [ 1 mole O2/31.998g ] = 0.263 moles

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