Question

2 c₂h₆ + o₂ → 4 co₂ + 6 h₂o
in the equation above, how you would categorize the 6 on the products side?
its a subscript
its a suffix
its a coefficient
its a prescript

Explanation:

In a chemical - equation, coefficients are the numbers in front of the chemical formulas. The number 6 in $6H_2O$ is in front of the water formula, indicating the number of water molecules produced in the reaction. Subscripts are the small numbers within a chemical formula that show the number of atoms of each element in a molecule. A suffix is a part of a word added at the end and is not relevant here. A prescript is not a relevant term in chemical - equation notation.

Answer:

C. It's a coefficient