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Carbon and oxygen are known to …

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Carbon and oxygen are known to form two compounds. The carbon content in one of these is 42 .9 % while is the other it is 27.3%.Show that these data are in agreement with the law of multiple proportion
  • 2 answers

Gaurav Seth 4 years, 10 months ago

In first compound:
Weight percent of carbon = 42.9
Weight percent of oxygen = 100 - 42.9 = 57.1
In second compound:
Weight percent of carbon = 27.3
Weight percent of oxygen = 100 - 27.3 = 72.7
Now in first compound:
57.1 parts by weight of oxygen combine with 42.9 parts by weigh of carbon
 1 part by weight of oxygen will combine with

Now in second compound:
72.7 parts by weight of oxygen combine with 27.3 parts by weight of carbon
  1 part by weight of oxygen will combine with  parts of carbon.

The weights of carbon which combine with same weights of oxygen in two compounds bear a ratio 0·751 : 0·375 or 2 : 1. This is a simple ratio. Hence, the data illustrates the law of multiple proportion.
 

Jastinder Kaur 4 years, 10 months ago

Thnks
http://mycbseguide.com/examin8/

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