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svlad2 [7]
3 years ago
8

A student calculated the number of moles of carbon dioxide present in a 100.0 g

Chemistry
1 answer:
Nina [5.8K]3 years ago
7 0

Answer: 13.2%

Explanation:

Mass of the sample = 100g

MM of CO2 =12+ (16 x 2) = 44g/mol

Number of mole of CO2 present in the sample = 0.3

Mass conc. Of CO2 present = 0.3 x 44 = 13.2g

Percentage of CO2 in the sample = (13.2 / 100) x 100 = 13.2%

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