Question

What is a mole concept? {For class 9th}

Answer 1

Mole is the measurement in the chemistry. It is used to express the amount of chemical substance. One mole is defined as amount of substance of a system which contains as many entities like atoms, molecules and ions as three atoms in 12 grams of carbon -12

Answer 2

Mole is the measurement in the chemistry. It is used to express the amount of chemical substance. One mole is defined as amount of substance of a system which contains as many entities like atoms, molecules and ions as three atoms in 12 grams of carbon -12