Question

mole concept and stiochemistry sums

Answer 1

Mole can be defined as a unit which represents 6.023 x1023 particles of same matter. A mole (symbol mol) is defined as the amount of substance that contains as many atoms, molecules, ions, electrons or any other elementary entities as there are carbon atoms in exactly 12 gm of .

Answer 2

A mole is the amount of a substance that contains as many atoms ,molecules,ions or other particles as there are atoms in 0.012kg of the carbon-12 isotope.

stoichiometry is the area of chemistry in which quantities of reactants and products are determined.