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Calculate the Formula Masses of the Following Compounds : Sodium Oxide, Na2o - Science

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Short Note

Calculate the formula masses of the following compounds :

Sodium oxide, Na2O

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Solution

Formula mass of Na2O:

Formula mass of Na2O = Mass of two Na atoms + Mass of one O atom

= 2 × 23 + 1 × 16

= 46 + 16

= 62

Therefore, the formula mass of Na2O is 62 u.

Concept: Molecular Mass
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 21.1 | Page 151

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