Question

what is the formula for number of moles

Answer 1

.....hay mate.....It was given by scientists to calculate the number  of usaly atoms or molecules in a certain mass of a given substance. Avogadro's number  is an absolute number there are 6.022×10power23 elementary entities in 1 mole This can also be written as 6.022×10power23 /mole.........
so.....
......no. of mole =no. of partical/avogadro's no.

Answer 2

Hey mate.....

here is ur answer........

The formula of number of moles.......

People throughout the world use the Avogadro's number for the particles that is 6.022 × 10^23....

The number of particles should be calculated with respect to the given mass.

Hope it helps♥♥♥