The gram atomic mass of helium is:

Q. 6. A direct current deposits 54 g of silver(atomic mass 108) during the electrolysis. Thesame quantity of electricity would depositaluminium (atomic mass 27) from aluminiuchloride in molten state equal to(1) 4.5 g(3) 54 g(2) 5.4 g(4) 27 g

Q. Find the number of moles of atoms present in 28 g of N atoms. (Gram atomic mass of N = 14 g)

Q.

Number of atoms present in 52 g of helium is:

(N_A is Avogadro’s constant
Gram atomic mass of He is 4 g)

Q. calculate no. of atom in