20 gram of an ideal gas occupy 5.6 dm3 volume at STP so molecular mass the gas is..........(ETEA classes from 8th May 2019)
A.64
B.80
C.96
D.98
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98:? :::???????????
dawoodshah709:
80 gram is correct
first change the gas to moles and then divide the given mass in molar mass
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