Question

How many oxygen atoms are there for three molecules of glucose (3C6H12O6) ?

A.) 1

B.) 3

C.) 6

D.) 18

Answer 1

Answer:

In 3 glucose molecules we have 18 atoms of oxygen.

Explanation:

Look carefully the fomula

C6H12O6

You have 6 atoms of carbon, 12 atoms of hydrogen and 6 atoms of oxygen.

As you have 3 molecules, 6x3 =18

Answer 2

D their are 18 molecules for glucose