initially in a container 1gm of gas A has 4 atm pressure at constant temperature.if 2gm of gas B is added in same cotainer at same temperature then pressure becomes 6 atm ,what will be the ratio of molecular weight of A and B
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Answer : The ratio of molecular weight of A and B is, 3 : 4
Explanation :
According to the ideal gas equation,
At constant volume of temperature,
or,
The expression used for to gases will be,
.......(1)
where,
= pressure of gas A = 4 atm
= pressure of gas B= 6 atm
= mass of gas A = 1 g
= mass of gas B= 2 g
= molecular weight of gas A
= molecular weight of gas B
Now put all the given values in equation 1, we get the ratio of molecular weight of A and B.
Therefore, the ratio of molecular weight of A and B is, 3 : 4
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