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Which is a strong base?

A. HCl
B. NaOH
C. [tex]NH _3[/tex]
D. [tex]H _3 CO _3[/tex]

Sagot :

GinnyAnsweridn
To determine which of the given substances is a strong base, let's analyze each one individually:

1. HCl (Hydrochloric Acid): This is a strong acid. When dissolved in water, it dissociates completely into hydrogen ions ([tex]\(H^+\)[/tex]) and chloride ions ([tex]\(Cl^-\)[/tex]).

2. NaOH (Sodium Hydroxide): This is a strong base. When dissolved in water, it dissociates completely into sodium ions ([tex]\(Na^+\)[/tex]) and hydroxide ions ([tex]\(OH^-\)[/tex]).

3. [tex]\(NH_3\)[/tex] (Ammonia): This is a weak base. When dissolved in water, it only partially dissociates and produces a small amount of hydroxide ions ([tex]\(OH^-\)[/tex]).

4. [tex]\(H_3CO_3\)[/tex]: This chemical formula does not correctly represent a commonly recognized substance. It's possible that there may have been a misconception or typographical error. It is not recognized as a strong base.

Based on this analysis, the strong base among the given substances is NaOH (Sodium Hydroxide).
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