the vapour density of a monoatomic gas is 20. what is the volume occupied by 20grams of this gas at ntp?
kavya rajeev , 7 Years ago
Grade 11
Inorganic Chemistry> the vapour density of a monoatomic gas is...
1 AnswersMayank Dixit
Last Activity: 7 Years ago
molecular mass of gas = 2*V.D. =2*20 =40no of moles of gas = weight/ molecular mass = 20/40vol oF gas = no of moles * V = 20/40* 20 = 10
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