Chapter 16: Problem 29
In a titration experiment, \(12.5 \mathrm{~mL}\) of \(0.500 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\) neutralize \(50.0 \mathrm{~mL}\) of \(\mathrm{NaOH}\). What is the concentration of the \(\mathrm{NaOH}\) solution?
Chapter 16: Problem 29
In a titration experiment, \(12.5 \mathrm{~mL}\) of \(0.500 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\) neutralize \(50.0 \mathrm{~mL}\) of \(\mathrm{NaOH}\). What is the concentration of the \(\mathrm{NaOH}\) solution?
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Get started for freeWhich of the following solutions can act as a buffer. (a) \(\mathrm{KCl} / \mathrm{HCl}\), (b) \(\mathrm{KHSO}_{4} / \mathrm{H}_{2} \mathrm{SO}_{4}\) (c) \(\mathrm{Na}_{2} \mathrm{HPO}_{4} /\) \(\mathrm{NaH}_{2} \mathrm{PO}_{4}\) (d) \(\mathrm{KNO}_{2} / \mathrm{HNO}_{2} ?\)
In a group 1 analysis, a student obtained a precipitate containing both \(\mathrm{AgCl}\) and \(\mathrm{PbCl}_{2}\). Suggest one reagent that would enable her to separate \(\operatorname{AgCl}(s)\) from \(\mathrm{PbCl}_{2}(s)\)
Outline the general procedure of qualitative analysis.
A \(25.0-\mathrm{mL}\) of \(0.20 \mathrm{M}\) HF solution is titrated with a \(0.20 M\) NaOH solution. Calculate the volume of \(\mathrm{NaOH}\) solution added when the \(\mathrm{pH}\) of the solution is (a) \(2.85,\) (b) \(3.15,\) (c) \(11.89 .\) Ignore salt hydrolysis.
The ionization constant \(K_{\mathrm{a}}\) of an indicator \(\mathrm{HIn}\) is \(1.0 \times 10^{-6} .\) The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose \(\mathrm{pH}\) is \(4.00 ?\)
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