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Mass of 1 litre of hydrogen at STP is 0....

Mass of 1 litre of hydrogen at STP is 0.0896 g. Calculate the value of R from this date.

Text Solution

Verified by Experts

Volume of 0.0896 g of hydrogen at STP `=1000 cm^3`
Hence volume of 2 g or 1 mol of hydrogen at STP `=(1000 times2)/0.0896=22321.4 cm^3`
Standard pressure =`76 times 13.6 times 980 dyn. Cm^-2`, standard temperature `=0^@C=273 K`
`thereforeR=(pV)/T=(76times13.6times981times22321.4)/273erg.mol^-1.k^-1`
`=8.29 times10^7erg.mol^-1.K^-1`
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