Equal masses of ethane and hydrogen are mixed in an empty container at 25°C. The fraction of the tot — States of Matter and Gaseous State Chemistry Question
Question
Equal masses of ethane and hydrogen are mixed in an empty container at 25°C. The fraction of the total pressure exerted by hydrogen is
Answer: D
💡 Solution & Explanation
n(ethane) = m/30. n(H2) = m/2. Fraction H2 = (m/2) / (m/30 + m/2) = 15/16. Therefore, correct answer is D.
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