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One litre of sample of ozonised oxygen weighs 1.5 g at 0 ° C and one atm pressure. 100 ml of this sample reduced to 90 ml, when treated with turpentine under the same conditions. Find the molecular wt. of ozone.

 


One litre of sample of ozonised oxygen weighs 1.5 g at 0°C and one atm pressure. 100 ml of this sample reduced to 90 ml, when treated with turpentine under the same conditions. Find the molecular wt. of ozone.

Grade:11

1 Answers

askiitian.expert- chandra sekhar
10 Points
12 years ago

hi NIKIT,

100 ml sample.......90 ml oxygen.... 10 ml ozone

90 ml oxygen.....0.0040155 moles oxygen........0.1285 g oxygen

100 ml sample....0.15g

therfore 10 ml of ozone is 0.0215 g.......and......0.0004462 moles ozone

molecular weight= 0.0215/0.00004462

                       = 48.1

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