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Question

What is the mass of CO2 in grams?

A
11 gm
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B
44 gm
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C
22 gm
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D
8 gm
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Solution

The correct option is A 11 gm

CO2=44×0.25=11gmAvogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules".
Moles of O2 =832=0.25
so mass of CO2=44×0.25=11gm

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