The formula of ethanol is C2H5—OH. Its molecular mass is
  1. 46 u
  2. 34 u
  3. 34 g
  4. 46 g

Correct Answer: (a) 46 u 
Explanation: Molar mass of ethanol (C2 H 5) =2(12)+6(1)+16.1=46.1 g/mol

Updated on: 14-Mar-2023

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