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Chapter 22: Problem 81

Aluminum hydroxide is used in some antacids. Write a balanced net ionic equation for the reaction of aluminum hydroxide with HCl.

Short Answer

Expert verified
Question: Write the balanced net ionic equation for the reaction between aluminum hydroxide and hydrochloric acid. Answer: Al(OH)3 (s) + 3H+ (aq) -> Al3+ (aq) + 3H2O (l)

Step by step solution

01

Write the balanced molecular equation

First, we need to write the balanced molecular equation for the reaction between aluminum hydroxide (Al(OH)3) and hydrochloric acid (HCl). Al(OH)3 (s) + 3HCl (aq) -> AlCl3 (aq) + 3H2O (l)
02

Identify the spectator ions

In order to write the net ionic equation, we need to identify the spectator ions. Spectator ions are ions that do not participate in the reaction and remain unchanged. They will be present in both the reactants and products. In this reaction, Al3+ and Cl- ions are the spectator ions. They do not participate in the reaction and remain unchanged.
03

Write the balanced net ionic equation

Now that we've identified the spectator ions, we can write the balanced net ionic equation by removing them from the balanced molecular equation. Net ionic equation: Al(OH)3 (s) + 3H+ (aq) -> Al3+ (aq) + 3H2O (l) The net ionic equation highlights the chemical species that are involved in the reaction between aluminum hydroxide and hydrochloric acid, and this represents the desired answer.

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Most popular questions from this chapter

The nonradioactive group 17 elements are found as diatomic molecules, \(\mathrm{X}_{2}(\mathrm{X}=\mathrm{F}, \mathrm{Cl}, \mathrm{Br}, \mathrm{I}) .\) Why is \(\mathrm{Br}_{2}\) a liquid at room temperature whereas \(\mathrm{Cl}_{2}\) is a gas?

Composition of Tooth Enamel Tooth enamel contains the mineral hydroxyapatite. Hydroxyapatite reacts with fluoride ion in toothpaste to form fluorapatite. The equilibrium constant for the reaction between hydroxyapatite and fluoride ion is \(K=8.48 .\) Write the equilibrium constant expression for the following reaction. In which direction does the equilibrium lie? \(\mathrm{Ca}_{5}\left(\mathrm{PO}_{4}\right)_{3}(\mathrm{OH})(s)+\mathrm{F}^{-}(a q) \rightleftharpoons \mathrm{Ca}_{5}\left(\mathrm{PO}_{4}\right)_{3}(\mathrm{F})(s)+\mathrm{OH}^{-}(a q)\)

Sodium bicarbonate and calcium carbonate both act as antacids and are found in common stomach remedies. Which substance will neutralize more acid on a per mole basis? Does the same substance also neutralize more acid on a per gram basis?

Place the following elements in order of increasing electronegativity: \(\mathrm{K}, \mathrm{S}, \mathrm{F},\) and \(\mathrm{Mg}.\)

The antacid known as Maalox contains a mixture of magnesium and aluminum hydroxides. Which substance will neutralize more acid on a per mole basis? Does the same substance also neutralize more acid on a per gram basis?
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