A mole is defined as the amount of a substance that exactly contains #160; 6.022 × #160; 10^23 entities like atoms, molecules etc. Mole is the SI unit ...

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Standard IX

Chemistry

Mole Concept & Avogadro Number

What is a mol...

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What is a mole?

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Solution

A mole is defined as the amount of a substance that exactly contains $6.022 \times 10^{23}$ entities like atoms, molecules etc. Mole is the SI unit for the amount of a substance and its symbol is mol.

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Q. What is meant by a 'mole' of a substance?

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(Atomic masses : Na = 23 u ; S = 32 u ; O = 16 u)

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What is a mole?

A mole is defined as the amount of a substance that exactly contains 6.022×1023 entities like atoms, molecules etc. Mole is the SI unit for the amount of a substance and its symbol is mol.

A mole is defined as the amount of a substance that exactly contains $6.022 \times 10^{23}$ entities like atoms, molecules etc. Mole is the SI unit for the amount of a substance and its symbol is mol.