Question

H2 gas diffuse 2time faster than unknown gas calculate the molecular mass of unknown gas​

Answer 1

Explanation:

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Answer 2

ANSWER

According to Graham's law, rate of diffusion is incresely proportional to the square roots of its molecule weight.

Let m be the mass of the unknown gas

m

2

is the mass of oxygen

r

1

= rate of diffusion of the unknown gas

r

2

= rate of diffusion of oxygen

r

2

r

1

=

m

1

m

2

Given

r

2

r

1

=

4

thus

4=

m

1

3 2

Squaring boil sides

16=

m

32

m

1

2g