can you explain mole concept?
In chemistry the mole is a fundamental unit in the SI system. It is used to measure the amount of substance. This quantity is sometimes referred to as the chemical amount. In Latin mole means a "massive heap" of material. It is convenient to think of a chemical mole as such.
1 mole of molecules has a mass equal to the molecular weight in grams.
1 mole H2O is the number of molecules in 18.015 g H2O
1 mole H2 is the number of molecules in 2.016 g H2.
1 mole of atoms has a mass equal to the atomic weight in grams.
1 mole of particles = 6.02214 x 1023 particles for any substance!
Prove this by converting 1 mole to grams to daltons to particles for any substance.