(i0 Calculate the number of water molecule present in one drop of water which weighs 0.18 g. (ii) Calculate the number of moles in 27 g of Al. (iii) Calculate the grams of 22 moles of hydrogen molecule, H_(2) .
Calculate the number of moles in i) 27g of Al ii) 1.51 × 10^(23) molecules of NH_(4)Cl
Calculate the number of moles in 81 g of Aluminum .
Calculate the number of moles in 2g of NaOH .
(i) Calculate the number of molecules in 11g of CO_(2) . (ii) Calculate the number of moles in 81g of aluminium.
