Does the equilibrium mixture of the following reaction contain mostly reactants or products? [latex]HF(aq) + H_{2}O(l) \xrightleftharpoons[]{} H_{3}O^{+}(aq) + F^{-}(aq)[/latex]

From Table 11.3, we see that HF is a weaker acid than [latex]H_{3}O^{+}[/latex] and that [latex]H_{2}O[/latex] is a weaker base than [latex]F^{-}[/latex]. Thus, the equilibrium mixture contains mostly reactants. [latex] \underset{\underset{acid }{Weaker} }{ HF(aq)} + \underset{\underset{base }{Weaker} }{ H_{2}O(l)} \xrightleftharpoons[]{} \underset{\underset{acid }{Stronger} }{ H_{3}O^{+}(aq)} + \underset{\underset{base }{Stronger} }{F^{-}(aq) } [/latex]

Question 11.4: Does the equilibrium mixture of the following reaction conta...

General, Organic, and Biological Chemistry: Structures of Life

Does the equilibrium mixture of the following reaction contain mostly reactants or products?

HF(aq) + H_{2}O(l) \xrightleftharpoons[]{} H_{3}O^{+}(aq) + F^{-}(aq)

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From Table 11.3, we see that HF is a weaker acid than $H_{3}O^{+}$ and that $H_{2}O$ is a weaker base than $F^{-}$ . Thus, the equilibrium mixture contains mostly reactants.

\underset{\underset{acid }{Weaker} }{ HF(aq)} + \underset{\underset{base }{Weaker} }{ H_{2}O(l)} \xrightleftharpoons[]{} \underset{\underset{acid }{Stronger} }{ H_{3}O^{+}(aq)} + \underset{\underset{base }{Stronger} }{F^{-}(aq) }

TABLE 11 .3 Relative Strengths of Acids and Bases
$\quad\quad$	Acid		Conjugate Base		$\quad\quad$
	Strong Acids		Weak Bases
	Hydroiodic acid	HI	$I^{-}$	Iodide ion
	Hydrobromic acid	HBr	$Br^{-}$	Bromide ion
	Perchloric acid	$HClO_{4}$	$ClO{4}^{-}$	Perchlorate ion
	Hydrochloric acid	HCl	$Cl^{-}$	Chloride ion
	Sulfuric acid	$H_{2}SO_{4}$	$HSO_{4}^{-}$	Hydrogen sulfate ion
	Nitric acid	$HNO_{3}$	$NO_{3}^{-}$	Nitrate ion
	Hydronium ion	$H_{3}O^{+}$	$H_{2}O$	Water
	Weak Acids		Strong Bases
	Hydrogen sulfate ion	$HSO_{4}^{-}$	$SO_{4}^{2-}$	Sulfate ion
	Phosphoric acid	$H_{3}PO_{4}$	$H_{2}PO_{4}^{-}$	Dihydrogen phosphate ion
	Nitrous acid	$HNO_{3}$	$NO_{2}^{-}$	Nitrite ion
	Hydrofluoric acid	$HF$	$F^{-}$	Fluoride ion
	Acetic acid	$HC_{2}H_{3}O_{2}$	$C_{2}H_{3}O_{2}^{-}$	Acetate ion
	Carbonic acid	$H_{2}CO_{3}$	$HCO_{3}^{-}$	Bicarbonate ion
	Hydrosulfuric acid	$H_{2}S$	$HS^{-}$	Hydrogen sulfide ion
	Dihydrogen phosphate ion	$H_{2}PO_{4}^{-}$	$HPO_{4}^{2-}$	Hydrogen phosphate ion
	Ammonium ion	$NH_{4}^{+}$	$NH_{3}$	Ammonia
	Hydrocyanic acid	$HCN$	$CN^{-}$	Cyanide ion
	Bicarbonate ion	$HCO_{3}^{-}$	$CO_{3}^{-}$	Carbonate ion
	Methylantmonium ion	$CH_{3} NH_{3}^{+}$	$CH_{3} NH_{2}$	Methylamine
	Hydrogen phosphate ion	$HPO_{4}^{2-}$	$PO_{4}^{3-}$	Phosphate ion
	Water	$H_{2}O$	$OH^{-}$	Hydroxide ion