Calculate the mass in `g` of
(a) `2 g`-atom of `Mg`
(b) `3N` atoms of `Mg`.

Calculate the mass in gm of 2g atom of Mg-

Calculate the mass in gm of 2g atom of Mg-

Calculate the mass of 2.5g atom of oxygen

Calculate the mass of 2.5 g atom of oxygen.

Calculate the mass of 2.5 g atom of oxygen.

Calculate the mass of 2.5 g atom of oxygen.

Calculate the number of atoms in (a) 4.5 g atoms of potassium (b) 0.2 g atoms of chlorine (c ) 1.2 g molecules of nitrogen

Calculate (a) Mass of 2.5 gram atoms of magnesium, (b) Gram atoms in 1.4 grams of nitrogen (Atomic mass : Mg = 24,N=14 )

Calculate the mass of chromium atoms in 85 g of Cr_(2)S_(3) .