Question

Chrissy is doing her chemistry homework and comes across the chemical formula for 3 molecules of nitric acid, represented by 3HNO3.

Which of the following shows the correct number of atoms for Chrissy's homework problem?
A-
3 hydrogen
1 nitrogen
3 oxygen

B-
1 hydrogen
I nitrogen
3 oxygen
C-
3 hydrogen
3 nitrogen
9 oxygen

Answer 1

C

Step-by-step explanation:

The 3 goes to every term in the molecule

3 NHO3

So its

3x1 N's

3x1 H's

3x3 O's