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Find

 

a) the total no.

b)the total mass of neutrons in 7mg of  14C.

(Assume that mass of a neutron= 1.675 x 10-27 kg)

 

And i have a doubt in my previous question too if anybody would be so kind so as to have a look and answer it!

 

http://web2.0calc.com/questions/pls-explain-your-answer-nicely

 
rosala  Aug 2, 2017
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