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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
```

6 years ago

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Answers : (1)

```										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
```
6 years ago

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