1.

Pressure of Ig of an ideal gas A at 27^@C is found to be 2 bar. When 2g of another ideal gas B is introduced in the same flask at same temperature, the pressure becomes 3 bar, then M_B = ____ M_A

Answer»

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Solution :`P_A = 2 "BAR" , P_B = 3- 2 = 1 "bar"`.
`P alpha N implies (n_A)/(n_B) = 2/1 , (1//M_A)/(2//M_B) implies (M_B)/(M_A) = 4`.


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