The product side of a chemical reaction is shown. right arrow 7 Ti sub 2 open paren SO sub 4 close paren sub 3 Which number represents a coefficient?

A coefficient is the number written in front of a chemical formula. In 7 Ti₂(SO₄)₃, the 7 is in front of the formula, so it is the coefficient. The 2, 4, and 3 are subscripts that indicate how many atoms or groups are present.

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