Rajasthan BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Define mole. What are the two things that a mole represents?
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Answer
A group of $6.022 \times 10^{23}$ particles $($atoms, molecules or ions$)$ of a substance is called a mole of that substance. One mole represents the amount of a substance equal to its $\text{'GRAM ATOMIC MASS'}$ or $\text{'GRAM MOLECULAR MASS'}$ and $6.022 \times 10^{23 }$ no. of particles of the substance.
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