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Haiden Camacho
Chemistry
16 March, 18:47
What is the percent by mass of oxygen?
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Skippy
16 March, 19:16
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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 %
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