A mixture of \( \mathrm{H}_{2} \) and \( \mathrm{He} \) contains 3 moles of \( \mathrm{H}_{2} \&....

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Question A mixture of \( \mathrm{H}_{2} \) and \( \mathrm{He} \) contains 3 moles of \( \mathrm{H}_{2} \& 10 \) moles of He. Find molality of \( \mathrm{H}_{2} \).
(A) 35
(B) 82
(C) 75
(D) 40📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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