Question

Cellular respiration transforms glucose and oxygen into carbon dioxide, water, and energy:

C6H12O6 + 6O2 → 6CO2 + ?H2O + Energy

Based on the law of conservation of matter, what is the missing coefficient for water?

(1 point)
Responses

8
8

6
6

4
4

2

Answer 1

6

Explanation: Glucose has 12 H atoms, so 12 H = 6 H2O molecules (each has 2 H). That also balances the oxygen atoms.