The density of a gas is 1.43 g/l at a temperature of 23 ∘c and a pressure of 0.789 atm. calculate the molar mass of the gas.

44.04 g/mol

Explanation:

Ideal gas law in terms of density:

where,

P = pressure of the gas  = 0.789 atm

V = volume of the gas

T = temperature of the gas  =

n = number of moles of the gas

R = gas constant = 0.0821 Latm/moleK

M = molar mass of gas

w = mass of gas

= density =1.43 g/ml

Thus molar mass of the gas is 44.04 g/mol

they are all solids.

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