Use the reaction to answer the question.

HCl + H2O → Cl–+ H3O+

Which statement about the reaction is correct?

(1 point)
Responses

HCl is an acid, and Cl– is its conjugate base.
HCl is an acid, and Cl – is its conjugate base.

HCl is an acid, and H3O+ is its conjugate base.
HCl is an acid, and H 3 O + is its conjugate base.

H2O is an acid, and H3O+ is its conjugate base.
H 2 O is an acid, and H 3 O + is its conjugate base.

H2O is an acid, and Cl– is its conjugate base.
H 2 O is an acid, and Cl – is its conjugate base.

1 answer

In the reaction:

\[ \text{HCl} + \text{H}_2\text{O} \rightarrow \text{Cl}^- + \text{H}_3\text{O}^+ \]

HCl donates a proton (H+) to water (H2O), making HCl an acid and H3O+ the hydronium ion, which is the protonated form of water. The chloride ion (Cl-) is formed when HCl loses a proton, making it the conjugate base of HCl.

Thus, the correct statement is:

HCl is an acid, and Cl– is its conjugate base.

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