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Calculate the Molecular Masses of the Following : Hydrogen, H2 Oxygen, O2 Chlorine, Cl2 Ammonia, Nh3 Carbon Dioxide, Co2 (Atomic Masses : H = 1 U ; O = 16 U ; Cl = 35.5 U ; N = 14 U ; C = 12 U) - Science

Answer in Brief

Calculate the molecular masses of the following :

  1. Hydrogen, H2

(Atomic masses : H = 1 u ; O = 16 u ; Cl = 35.5 u ; N = 14 u ; C = 12 u)

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Solution

  1. Given:
    Atomic mass of H = 1 u
    Therefore, molecular mass of H2 can be calculated as follows:
    1 × 2 = 2
    Hence, molecular mass of H2 is 2 u.
Concept: Molecular Mass
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Chapter 3: Atoms and Molecules - Short Answers [Page 130]
Q 43.1
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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 43.1 | Page 130
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