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Question
Calculate the molar mass of the following:
H2O
Numerical
Solution
The molecular mass of water, H2O
= (2 × Atomic mass of hydrogen) + (1 × Atomic mass of oxygen)
= [2(1.0084) g/mol + 1(16.00) g/mol]
= 2.0168 g/mol + 16.00 g/mol
= 18.0168 g/mol ∼ 18.02 g/mol
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Chapter 1: Some Basic Concepts of Chemistry - EXERCISES [Page 25]
