What is a mole defined as in chemistry?

Type: MCQ • Marks: 1

A. 1 gram of any substance

B. Molecular weight divided by two

C. 6.022 × 10²³ particles of a substance

D. 1 liter of gas at room temperature

Explanation

One mole contains exactly 6.022 × 10²³ elementary entities (Avogadro's number).

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Class 9th Science (MCQ)

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