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Step2247 [10]
3 years ago
14

An unknown gas diffuses 1.25 times faster than CO2 gas. What is the molar mass of the unknown gas?​

Chemistry
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

28.16 g/mol

Explanation:

From Graham's law;

Let the rate of diffusion of gas X be 1.25

Let the rate of diffusion of CO2 be 1

Molecular mass of gas X= M

Molecular mass of CO2 = 44g/mol

1.25/1=√44/M

(1.25/1)^2 = 44/M

1.5625 = 44/M

M= 44/1.5625

M= 28.16 g/mol

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