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What is the chemical formula of water?

A. [tex]N_2O[/tex]
B. [tex]H_2O[/tex]
C. [tex]NH_3[/tex]
D. [tex]HO_3[/tex]

Sagot :

To determine the chemical formula of water, we can analyze each of the given options:

1. [tex]$N_2O$[/tex] - This is the chemical formula for nitrous oxide, commonly known as laughing gas.

2. [tex]$H_2O$[/tex] - This is the correct representation of water. It consists of 2 hydrogen atoms and 1 oxygen atom bonded together.

3. [tex]$NH_3$[/tex] - This is the chemical formula for ammonia, which consists of 1 nitrogen atom and 3 hydrogen atoms.

4. [tex]$HO_3$[/tex] - This is not a valid chemical formula for any common compound.

Based on this analysis, the correct answer is [tex]$H_2O$[/tex]. Therefore, the chemical formula of water is encoded by the numerical index:

[tex]\[ H_2O = 2 \][/tex]

So, the answer to the question "What is the chemical formula of water?" is option 2, [tex]$H_2O$[/tex].