Chemistry
Related Questions
Calculate the number of molecules in 109.5 g of HCl. [H = 1, Cl = 35.5]
Calculate the number of :
(i) molecules [S = 32]
(ii) atoms in 192 g. of sulphur. [S8]
Calculate the no. of atoms of potassium present in 117 g. of K. [K = 39]
Calculate the number of moles and molecules in 19.86 g. of Pb(NO3)2. [Pb = 207, N = 14, O = 16]