Question

Which one of the following is the number you place to the left of the formula

for a substance taking part in a reaction?
A. Reactant
B. Equation
C. Product
D. Coefficient

Answer 1

D

Step-by-step explanation:

Reactants are on the left but they are not numbers.

The equation is the entire reaction including what is on the left and right.

The products are found on the right side.

So it has to be coefficient since these are the numbers found in front of the reactants on the left side.