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

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

Grade:12th pass

4 Answers

AKSHAT TECHNICALS
10 Points
6 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
10 Points
6 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
27 Points
one year 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
27 Points
one year 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

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