If a gas mixture of two gases. \( \mathrm{A} \) and \( \mathrm{B} \) contains gas \( \mathrm{A} ....

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Question If a gas mixture of two gases. \( \mathrm{A} \) and \( \mathrm{B} \) contains gas \( \mathrm{A} \) of mole fraction 0.3. Find molality of \( A \). (Molar mass of \( \mathrm{A}=10 \mathrm{~g} ; \mathrm{B}=20 \mathrm{~g} \) )
(A) 21.42
(B) 6.7
(C) 12.14
(D) 8.21📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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