Verified Answer :

Intentionalfauxpas

Start by balancing the equation. This one is already balanced.
(1 zinc, 2 hydrogen, 1 sulfur and, 4 oxygen on each side of the equation).

The mole ratio just refers to the coefficient (the number before each molecule or atom). Since there are no numbers in this equation all coefficients are 1.
Mole ratio = 1:1

olemakpadu

The equation given above is already balanced. So taking out the coefficients of the Zn and ZnSO₄ which 1 and 1.

So mole ratio of:    Zn :  ZnSO₄ =    1 : 1

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