How many mole of $Z n (F e S_{2})$ can be made from 2 mole zinc, 3 mole iron and 5 mole sulphur?

2 mole

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3 mole

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4 mole

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5 mole

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Solution

The correct option is B 2 mole

The mole ratio of $Z n (F e S_{2})$ is Zn: Fe : S = 1 :1 : 2

Which means it contains 1 mole Zn, 1 mole Fe and 2 moles S
2 moles zinc will require 2 mole iron and 4 mole sulphur to produce 2 moles of $Z n (F e S_{2})$ will formed

2 moles of $Z n (F e S_{2})$ can be made from 2 mole zinc, 3 mole iron and 5 mole sulphur

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