Which contains more molecules, 10 g of sulphur dioxide `(SO_(2))` or `10 g` of oxygen `(O_(2))` ?
(Atomic masses : `S = 32 u , O = 16 u`)

Which contains more molecules, 4 g of methane (CH_(4)) or 4g of oxyen (O_(2)) ? (Atomic masses : C = 12 u, H = 1 , O = 16 u )

Convert 22 g of carbon dioxide (CO_(2)) into moles. (Atomic masses : C = 12 u, O = 16 u )

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

How many grams of oxygen gas contain the same number of molecules as are present in 16 grams of sulphur dioxide ? (Atomic masses : S = 32, O = 16).

(A)The mass of one molecule of a substance is 4.65xx10^(-23)g . What is its molecular mass? What could be substance be? (b)Which have more molecules? 10g of sulphur dioxide (SO_(2)) or 10g of oxygen (O_(2)) ?

If one grams of sulphur contains x atoms, calculate the number of atoms in one gram of oxygen element. (Atomic masses : S = 32 u , O = 16 u )

Calculate the volume of 320 g of SO_(2) at STP. (Atomic mass S=32 and O=16)

Calculate the volume of 320 g of SO_2 at S.T.P. (Atomic mass : S = 32 and O = 16).