An organic compound contains 12.36% C,2.13% H, 85% Br. Its vapour density is 94. Find its molecular formula.
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hell.. oooo!!!
vapor density = mass of n molecules of gas / mass of n molecules of hydrogen
i. e, vapor density = molar mass of gas / molar mass of H2
vapor density = molar mass of gas / 2.016
vapor density = ½ × molar mass
(and thus: molar mass = ~2 × vapour density)
therefore molecular mass is 188 so molecula formula will be C2H4Br2
hope this helps you...!!
vapor density = mass of n molecules of gas / mass of n molecules of hydrogen
i. e, vapor density = molar mass of gas / molar mass of H2
vapor density = molar mass of gas / 2.016
vapor density = ½ × molar mass
(and thus: molar mass = ~2 × vapour density)
therefore molecular mass is 188 so molecula formula will be C2H4Br2
hope this helps you...!!
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