How many total atoms are represented by this formula 3naoh? a.1 b.3 c.6 d.

D. 9.  

Step-by-step explanation:

One formula unit of NaOH contains three atoms:  1 Na, 1 O, and 1 H.

3 formula units × (3 atoms/1 formula unit) = 9 atoms

 D. 9

Explanation:

Atom is the smallest unit of matter which may or may not have independent existence. Example:

Molecule is the smallest unit of matter which has a independent existence. Example:

1 molecule of has 1 atom of sodium, 1 atom of oxygen and 1 atom of hydrogen and thus total of 3 atoms.

Thus if 1 molecule of has total of 3 atoms.

Thus 3 molecules of has total of =

Thus 9 atoms are represented by this formula

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