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Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses : H = 1 u ; Br = 80 u) - Science

Short Note

Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses : H = 1 u ; Br = 80 u)

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Solution

Given:

Atomic mass of H = 1 u

Atomic mass of Br = 80 u

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

(1 × 1) + (1 × 80) = 81

Hence, molecular mass of hydrogen bromide is 81 u.

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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 49 | Page 130
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