twilson2 twilson2

28-01-2020
Chemistry

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What is the percent by mass of oxygen?

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golf1boy51 golf1boy51

28-01-2020

Answer:

For oxygen: mass % O = (mass of 1 mol of oxygen/mass of 1 mol of CO2) x 100. mass % O = (32.00 g / 44.01 g) x 100. mass % O = 72.71 %

Explanation:

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