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An evacuated glass vessel weighs 49 gram when filled with liquid of 0.95 gram per centimetre cube density it weighs 144 grams when filled with gas at 760 mm of Mercury and 27 degree celsius temperature it weighs 49.5 grams calculate the molar mass of the gas

An evacuated glass vessel weighs 49 gram when filled with liquid of 0.95 gram per centimetre cube density it weighs 144 grams when filled with gas at 760 mm of Mercury and 27 degree celsius temperature it weighs 49.5 grams calculate the molar mass of the gas

Grade:12

2 Answers

Vikas TU
14149 Points
6 years ago
Your question though incorrect and unclear one.
As U have used tits weight many times without mentioning the necessary parameters.
But still neglecting that,
From density formulae which has been already we have derived from the ideal gas eqn. is:
d = PM/RT
0.95 = 1*M/R*300
M => 0.95*300*0.0821 => 23.39 gms
Tejasvi dalla
12 Points
6 years ago
But the answer is 123.15........... I be checked the question n m sure I`ve mentioned all parameters.................................................................

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