Grade 12th passPhysical Chemistry

1120ml of ozonised oxygen at s.t.p weigh 1.76g.calculate the volume of oxygen in the ozonised oxygen.

Shakshijain

8 Years agoGrade 12th pass

4 Answers

AKSHAT TECHNICALS

8 Years ago

note that, molecular mass of oxygen = 32 molecular mass of ozone = 48 calculations:- let vol of O2 = x ml hence vol of O3 = 1120 - x ml at STP, wt of x ml O2 = 32*x/22400 gm wt of 1120 - x ml O3 = 48*(1120 - x)/22400 gm hence, 32*x/22400 + 48*(1120 - x)/22400 = 1.76 or, 32x + 53760 - 48x = 39424 => 16x = 53760-39424=14336=> x = 14336/16=896ml

AKSHAT TECHNICALS

8 Years ago

note that,

molecular mass of oxygen = 32

molecular mass of ozone = 48

calculations:-

let vol of O2 = x ml

hence vol of O3 = 1120 - x ml

at STP,

wt of x ml O2 = 32*x/22400 gm

wt of 1120 - x ml O3 = 48*(1120 - x)/22400 gm

hence,

32*x/22400 + 48*(1120 - x)/22400 = 1.76

or, 32x + 53760 - 48x = 39424

=> 16x = 53760-39424=14336

=> x = 14336/16=896ml

k sitaram Rao

4 Years ago

A sample of ozonised oxygen contains 90% by volume of oxygen what will be volume of resulting gases and hen 120 ml of such sample

k sitaram Rao

4 Years ago

A sample of ozonised oxygen contains 90% by
volume of oxygen. What will be the volume of
the resulting gases when 120ml of such a sample
is heated and then cooled to the original conditions
of temperature and pressure ?
1) 126 ml 2) 132 ml 3) 100 ml
4) 50 ml