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Class 11
Chemistry :-Additional Questions_ Set - 1 - Some Basic Concepts Of Chemistry.

 The chemical compounds are repre­sented by both empirical and Molecular formula. A very popular organic compount is a major constituent of alcoholic drinks.
a. What is the molecular formula of the compound?
b. Find the percentage composition of the compound.

Answer:

a. Molecular formula C2H6O or C2H8OH
b. Molecular mass of C2H5OH
= 2×12+16+6×1 =46 u
Plus One Chemistry Chapter Wise Questions and Answers Chapter 1 Some Basic Concepts of Chemistry 47




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NCERT Chemistry Class 11

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