100 g of propane is completely reacted with 1000 g of oxygen. The mole fraction of carbon dioxide in the resulting mixture is `"x" xx 10^(-2)` The value of x is ______ .
(Nearest integer)
[Atomic weight : H=1.008, C=12.00, O=16.00]

If 100g of propane reacts with 1000g of oxygen, mole fraction of CO_2 at end?

The mole fraction of a solution in a 100 molal aqueous solution is "_____________"xx 10^(-2) ( Round off to the Nearest Integer ). [ Given : Atomic masses : H : 1.0 u, O : 16.0 u]

The number of atoms in 8 g of sodium is x xx 10^23 . The value of x is ____________. (Nearest integer ) [Given : N_A = 6.02 xx 10^23 mol^(-1) Atomic mass of Na = 23.0 u]

The number of atoms in 8 g of sodium is x xx 10^23 . The value of x is ____________. (Nearest integer ) [Given : N_A = 6.02 xx 10^23 mol^(-1) Atomic mass of Na = 23.0 u]

The molarity of the solution prepared by dissolving 6.3 g of oxalic acid (H_(2)C_(2)O_(4). 2H_(2)O) in 250 ml of water in mol L^(-1) is "x" xx10^(-2) "M" . The value of x is______ (Nearest integer) [Atomic mass : H : 1.0, C : 12.0, O : 16.0 ]

Sodium oxide reacts with water to produce sodium hydroxide. 20.0 g of sodium oxide is dissolved in 500 mL of water. Neglecting the change in volume, the concentration of the resulting NaOH solution is _______ xx 10^(-1)M . (Nearest integer) [Atomic mass : a = 23.0, O = 16.0, H = 1.0 ]

The vapour pressure of A and B at 25 ^(@) C are 90 mm Hg and 15 mm Hg respectively. If A and B are mixed such that the mole fraction of A in the mixture is 0.6, then the mole fraction of B in the vapour phase is x x 10 ^(-1) The value of x is ___________. (Nearest integer)

Complete combustion of 3 g of ethane gives x xx 10^(22) molecules of water. The value of x is _______ . (Round off to the Nearest Integer). [Use : N_A = 6.023xx10^(23) , Atomic masses in u : C : 12.0 , O : 16.0 , H : 1.0]