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The density of a gas is 2.49 g/L at 3.00 atm and 25oC. Calculate the molar mass of the gas. Multiple choice question. 2.0 g/mol 20.3 g/mol 18.3 g/mol 24.9 g/mol

Respuesta :

Answer:

Molar mass = 20.3 (Approx)

Explanation:

Given:

Density = 2.49 g/l

Pressure = 3 atm

Tempreture = 25 degree celcius = 273 + 25 = 298 k

Find:

Molar mass

Computation:

pm = drt

3(m) = (2.49)(298)(0.0821)

m = 20.3 (Approx)

Molar mass = 20.3 (Approx)

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