the ratio of molar volume to atomic volume for 1 mole of hydrogen
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Answer:
=> One mole of an ideal gas at standard temperature and pressure occupies 22.4 L (molar volume). What is the ratio of molar volume to the atomic volume of a mole of hydrogen (Take the size of hydrogen molecule to be about 1 Å) ?
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Answer: 7.1*10^4
Explanation:
Volume occupied by 1 mole of an ideal gas at STP is known as molar volume.
Molar volume = 22.4 litre = 22.4×10 ^−3 m^3
Radius of hydrogen atom is r = 0.5 A = 0.5×10^−10 m
Atomic volume = 4/3 πr^3 NA
= 4/3*22/7*[0.5*10^-10]^3 *6.022*10^23
=3.15×10^−7m^3
Their corresponding ratio is
=Atomicvolume/ Molarvolume
= 22.4×10^−3m^3/ 3.15×10^−7m^3
=7.1×10^4
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