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Rishabh Dabral Grade: 11
        

Please explain me Principle of atom conservation in detail and the kind of questions that can be asked from this topic.

6 years ago

Answers : (2)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear rishabh,


The principle implies Number of atoms remains constant. Lets understand this with an example.


1g of a mixture of cuprous oxide and cupric oxide was quantitatively reduced to 0.839 g of metallic copper. what is the weight of cupric oxide in the original sample.


The solution is:


63.563 + 16 = 79.563
127.126 + 16 = 143.126
x*79.563 + y*143.126 = 1
x*63.563 + y*127.126 = 0.839
x = 0.006925497
x*79.563 = 0.551 g cupric oxide


 


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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

6 years ago
Rishabh Dabral
32 Points
										

Sir,


I didn't understand the last three steps of the example....plz explain me in detail.

6 years ago
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