The total number of molecules contained in 22.4 litres of hydrogen at STP is :
12.04×1023
none of the above
3.01×1023
6.02×1023
A
6.02×1023
B
none of the above
C
12.04×1023
D
3.01×1023
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Solution
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The total number of molecules contained in 22.4 litres of any gas at NTP is equal to Avogadro's number which is equal to 6.02×1023. This corresponds to 1 mole of a gas.
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