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12-11-2020
Chemistry

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The molar mass of a gas is 56 grams. What is its density at STP in grams per liter?

Respuesta :

13-11-2020

Answer:

d = 2.5 g/L

Explanation:

Given data:

Molar mass of gas = 56 g/mol

Density of gas = ?

Temperature = 273.15 K

Pressure = 1 atm

Solution:

Formula:

d = PM/RT

d = 1 atm × 56 g/mol / 0.0821 atm.L/mol.K ×273.15 K

d = 56 atm g/mol./ 22.42 atm.L/mol

d = 2.5 g/L

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