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Explain mole concept and give numericals …

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Explain mole concept and give numericals on it.

Posted by Unnati Bornare 3 years, 10 months ago

CBSE > Class 09 > Science

1 answers

Yogita Ingle 3 years, 10 months ago

The mole concept is a convenient method of expressing the amount of a substance. Any measurement can be broken down into two parts – the numerical magnitude and the units that the magnitude is expressed in. For example, when the mass of a ball is measured to be 2 kilograms, the magnitude is ‘2’ and the unit is ‘kilogram’.

When dealing with particles at an atomic (or molecular) level, even one gram of a pure element is known to contain a huge number of atoms. This is where the mole concept is widely used. It primarily focuses on the unit known as a ‘mole’, which is a count of a very large number of particles.

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CBSE > Class 09 > Science

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CBSE > Class 09 > Science