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Which of the following is the correct chemical formula for hydrochloric acid?
A
HCl
B
HNO_3
C
HCOOH
D
H_2SO_4
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1
Understand that hydrochloric acid is a binary acid composed of hydrogen and chlorine atoms.
Recall that the chemical formula for hydrochloric acid consists of one hydrogen atom and one chlorine atom bonded together.
Recognize that the formula for hydrochloric acid is written as \(\mathrm{HCl}\), where 'H' stands for hydrogen and 'Cl' stands for chlorine.
Compare the given options: \(\mathrm{HNO_3}\) is nitric acid, \(\mathrm{HCOOH}\) is formic acid, and \(\mathrm{H_2SO_4}\) is sulfuric acid, none of which are hydrochloric acid.
Conclude that the correct chemical formula for hydrochloric acid among the options is \(\mathrm{HCl}\).