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in rn . 2X+ Y------ Z for formataion of 15 moles of Z required moles of X is( if efficiency of rn. is 85%) 1) 30 2)17.5 3)12.5 4)35.3 plz explain in detail

in rn . 2X+ Y------ Z for formataion of 15 moles of Z required moles of X is( if efficiency of rn. is 85%)


1) 30          2)17.5  3)12.5    4)35.3


 plz explain in detail

Grade:12

1 Answers

Anurag Kishore
37 Points
13 years ago

Hi

By just visualising the option you can say that answer must be greater than 30 so option 4 is correct.

Mathematically,

 

As efficiency is 85% so we have

0.85moles of Z is formed by 2 moles of X

=> 15 moles of Z is formed by

2*15/0.85 moles of X = 35.3 moles of X

So 4th option is correct

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