Question

The chief ore of Zn is the sulphide, Zns. The ore isconcentrated by froth floatation process and thenheated in air to convert ZnS to Zno.2ZnS + 30,- 80% 2 ZnO + 250ZnO + H2SO, - 100% → ZnSO, +H, O2 ZnSO, +2H20 80% +2 Zn+ 2H2SO4 + O2The number of moles of ZnS.required for producing2 moles of Zn will be:(A) 3.125(B) 2 0(C) 2.125(D) 4 ​

Answer 1

Answer:

$Heya \: user$......❤

1 mole of ZnS = 1 mole Zn

That's why, moles of ZnS = 2/(0.80×1 ×0.80)

=3.125

So, the correct answer is (A).

Hope it’s helpful...... ☺