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Aloiza [94]
3 years ago
9

This chemical equation represents a chemical reaction.

Biology
2 answers:
Ulleksa [173]3 years ago
7 0

Answer:

OPTION A is the reactant

Explanation:

This is an acid-base reaction (neutralization): HNO3 is an acid, Na2SO3 is a base.

AfilCa [17]3 years ago
3 0

Answer:

A.

Explanation:

reactants are on the left side of the arrow

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