What is the mass of `0.5` mole of wate `(H_(2)O)`.
(Atomic masses : `H = 1 u, O = 16 u`)

What is the mass of 5 moles of sodium carbonate (Na_(2)CO_(3)) ? (Atomic masses : Na = 32 u , C = 12 u , O = 16 u )

Calculate the mass in grams of 0.2 mole of water (H_(2)O) . ( H = 1 , O = 16 )

What mass of nitrogen, N_(2) , will contain the same number of molecules as 1.8 g of water, H_(2)O ? (Atomic masses : N = 14 u , H = 1 u , O = 16 u )

Calculate the mass in grams of 0.17 mole of hydrogen sulphide , H_(2)S . (Atomic masses : H = 1 u, S = 32 u )

Calculate the molar masses of the following: Ethyne (C_(2)H_(2)) Atomic masses : C = 12 u, H=1 u, S=32 u, Na = 23 u, P=31 u, Cl = 35.5 u, N = 14 u, O = 16 u

What is the mass of each one of the following ? (a) 1 mole of water (H_(2)O) , (b) 1 mole of ethanol (C_(2)H_(6)O) (c ) 1 mole of glucose (C_(6)H_(12)O_(6)) , (d) 1 mole of cane sugar (C_(12)H_(22)O_(11)) (Atomic masses : H = 1 u , C = 12 u , O = 16 u )

Calculate the molecular mass of ethanoic acid, CH_(3)COOH . (Atomic masses : C = 12 u , H = 1 u , O = 16 u )

What is the mass of : (a) 1 mole of nitrogen atoms ? (b) 4 moles of aluminium atoms ? (c ) 10 moles of sodium sulphate (Na_(2)SO_(3)) ? (Atomic masses : N = 14 u, Al = 27 u , Na = 23 u , S = 32 u and O = 16 u )