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Calculate the Molecular Mass of Ethanoic Acid, Ch3cooh. (Atomic Masses : C = 12 U ; H = 1 U ; O = 16 U) - Science

Short Note

Calculate the molecular mass of ethanoic acid, CH3COOH.
(Atomic masses : C = 12 u ; H = 1 u ; O = 16 u)

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Solution

Given:

Atomic mass of C = 12 u

Atomic mass of O = 16 u

Atomic mass of H = 1 u

Therefore, molecular mass of CH3COOH can be calculated as follows:

(2 × 12) + (4 × 1) + (2 ×16) = 60

Hence, molecular mass of acetic acid is 60 u

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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 46 | Page 130
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