What is the percent by mass of oxygen in carbon dioxide

asked Apr 20, 2017 59.4k views

1 vote

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2 votes

Answer:

72.7

Step-by-step explanation:

Dustin Whittle answered Apr 22, 2017

7.7k points

5 votes

C = 12
O2 = 16*2= 32
CO2 = (12)+(16*2) = 44

32/44*100 = 72.73%

Yeahumok answered Apr 26, 2017

6.9k points

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