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Question

A mixture having 2 g of hydrogen and 32 g of oxygen occupies how much volume at NTP?

A
44.8 L
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B
22.4 L
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C
11.2 L
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D
67.2 L
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Solution

The correct option is C 44.8 L
Hydrogen exist as H2 and oxygen as O2
1 mole of all gases occupy 22.4 L volume at NTP
Moles in 2 g hydrogen =massmolar mass
=22=1 mol=22.4 L
Moles in 32 g oxygen =massmolar mass
=3232=1 mol=22.4 L
Total volume occupied =22.4+22.4=44.8 L

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