xFeS2 + yO2 -> zFe2O3 + wSO2, what is the value of x + y + z + w? – McqOptions

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1.	xFeS2 + yO2 -> zFe2O3 + wSO2, what is the value of x + y + z + w?
A.	16
B.	21
C.	25
D.	32View answer
Answer» D. 32View answer

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