Chapter 4: Problem 9
Explain how a redox reaction involves electrons in the same way that an acid- base reaction involves protons. [Sections \(4.3\) and \(4.4]\)
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Chapter 4: Problem 9
Explain how a redox reaction involves electrons in the same way that an acid- base reaction involves protons. [Sections \(4.3\) and \(4.4]\)
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Because theoxide ion is basic, metal oxides react readily with acids. (a) Write the net ionic equation for the following reaction: $$ \mathrm{FeO}(s)+2 \mathrm{HClO}_{4}(a q) \longrightarrow \mathrm{Fe}\left(\mathrm{ClO}_{4}\right)_{2}(a q)+\mathrm{H}_{2} \mathrm{O}(l) $$ (b) Based on the equation in part (a), write the net ionic equation for the reaction that occurs between \(\mathrm{NiO}(s)\) and an aqueous solution of nitric acid.
Which of the following solutions has the largest concentration of solvated protons: (a) \(0.2 \mathrm{MLiOH}\), (b) \(0.2 \mathrm{M} \mathrm{HI}\), (c) \(1.0 \mathrm{M}\) methyl alcohol \(\left(\mathrm{CH}_{3} \mathrm{OH}\right)\) ? Explain.
A person suffering from hyponatremia has a sodium ion concentration in the blood of \(0.118 M\) and a total blood volume of \(4.6 \mathrm{~L}\). What mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to \(0.138 \mathrm{M}\), assuming no change in blood volume?
A solution is made by mixing \(12.0 \mathrm{~g}\) of \(\mathrm{NaOH}\) and 75.0 \(\mathrm{mL}\) of \(0.200 \mathrm{M} \mathrm{HNO}_{3}\). (a) Write a balanced equation for the reaction that occurs between the solutes. (b) Calculate the concentration of each ion remaining in solution. (c) Is the resultant solution acidic or basic?
A sample of solid \(\mathrm{Ca}(\mathrm{OH})_{2}\) is stirred in water at \(30^{\circ} \mathrm{C}\) until the solution contains as much dissolved \(\mathrm{Ca}(\mathrm{OH})_{2}\) as it can hold. A \(100-\mathrm{mL}\) sample of this solution is withdrawn and titrated with \(5.00 \times 10^{-2} \mathrm{M} \mathrm{HBr}\). It requires \(48.8 \mathrm{~mL}\) of the acid solution for neutralization. What is the molarity of the \(\mathrm{Ca}(\mathrm{OH})_{2}\) solution? What is the solubility of \(\mathrm{Ca}(\mathrm{OH})_{2}\) in water, at \(30^{\circ} \mathrm{C}\), in grams of \(\mathrm{Ca}(\mathrm{OH})_{2}\) per \(100 \mathrm{~mL}\) of solution?
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