Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)

Relative Atomic Mass (Atomic Weight)

Author:S P Singh

9th ICSE

IMPORTANT

Important Questions on Relative Atomic Mass (Atomic Weight)

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IMPORTANT

Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 1

In water, the hydrogen-to-oxygen mass ratio is

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Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 2

Calculate the molecular mass of ${Mg}_{3} N_{2}$ .

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Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 3

Calculate the molecular mass of ${({NH}_{2})}_{2} CO$ .

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Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 4

Calculate the molecular mass of ${({NH}_{4})}_{2} {CO}_{3}$ .

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Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 5

Calculate the molecular mass of the following:

${Na}_{2} {SO}_{4} . 10 H_{2} O$

(Atomic masses of $Na, S, O$ and $H$ are $23 amu, 32 amu, 16 amu$ and $1 amu$ respectively)

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Concise Chemistry Class 9>The Language of Chemistry>Relative Atomic Mass (Atomic Weight)> Q 6

Sodium chloride reacts with silver nitrate to produce silver chloride and sodium nitrate. Find the weights of reactants and products. (Atomic masses of sodium, chlorine, silver, nitrogen and oxygen are $23 amu, 35.5 amu, 108 amu, 14 amu$ and $16 amu$ respectively).