xKMnO₄ + yFeS + zH₂SO₄ -> xMnSO₄ + wFe₂(SO₄)₃ + uK₂SO� – McqOptions

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1.	xKMnO₄ + yFeS + zH₂SO₄ -> xMnSO₄ + wFe₂(SO₄)₃ + uK₂SO₄ + zH₂O, what is the value of x + y + z + w + u?
A.	60
B.	74
C.	85
D.	98
Answer» C. 85

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