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Grade:

                        

the half life of the reaction n2o5 ---> 2no2 + 1/2 o2 is 2.4 hour at 30°c starting with 10 gram what is the mass of n2o5 left after 9.6 hour?

2 years ago

Answers : (1)

Shubham Pathy
19 Points
							
0.625g
 
Half life = 2.4 hours
No. Of half lives in 9.6 hours, n= 9.6/2.4=4
So,mass of n2o5 left =10/2^n=10/2^4=0.625g
2 years ago
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