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

Calculate the molecular mass of nitric acid, HNO_(3) . (Atomic masses : H = 1 u, N = 14 u , O = 16 u )

Calculate the molecular mass of chloroform (CHCl_(3)) . (Atomic masses : C = 12 u , H = 1 u , Cl = 35.5 u )

Calculate the molecular mass of sulphuric acid (H_(2)SO_(4)) . (Given : Atomic masses : H = 1 , S = 32 u , O = 16 u ).

calculate the molecular mass of the following in u. CH_3 COOH

Calculate the molecular mass of hydrogen bromide (HBr) . (Atomic masses : H = 1 u , Br = 80 u )

Calculate the molar masses of the following: Nitric acid (HNO_(3)) 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

calculate the molecular mass of the following in u. NH_3

(a) Define polyatomic ions. Write an example. (b) Calculate the formula unit mass of CaCO_(3) (Atomic mass of C=12u, Ca=40u, O=16u) (c) Calculate the molecular mass of the following (i) HNO_(3) (ii) CH_(3)COOH Atomic mass of H=14N, N=14u, O=16u, C=12u

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