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Questions
Calculate the molecular mass of ethanoic acid, CH3COOH.
(Atomic masses: C = 12 u; H = 1 u; O = 16 u)
Calculate the molecular mass of the following compound:
CH3COOH
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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)
= 24 + 4 + 32
= 60
Hence, the molecular mass of ethanoic acid is 60 u.
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