Question

. A container contains three gases; a,b,c in the molar ratio 2:3:5 respectively. If the total pressure is 500 torr then the partial pressure of the component ‘a’ would be: (a) 100 torr (b) 200 torr (c) 300 torr (d) 400 torr​

Answer 1

2x+3x+5x = 500

10x = 500

x = 50

partial pressure of a = 2x = 2 x 50 = 100 torr

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Answer 2

Answer:

The sum of ratio:2+3+5: 10

The total pressure is 500 torr.

The pressure on a ratio:2÷10×500:

• the answer is (a)