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miv72 [106K]
3 years ago
9

What mass of oxygen forms from 71.89 g CO2? Use the periodic table to find molar masses. 71.89 g CO2 =  ------ g O2

Chemistry
1 answer:
andre [41]3 years ago
7 0
We use the ratio of the atoms C and O from the chemical formula. We calculate as follows:

71.89 g CO2 ( 1 mol CO2 / 44.01 g CO2 ) (1 mol O2 / 1 mol CO2) (32 g O2 / 1 mol ) = 52.27 g O2

Therefore, 

71.89 g CO2 =  52.27 <span>g O<span>2</span></span>
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