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Chapter 7: Q28P (page 160)

Use Equation 7-12 to reproduce the curves in Figure 7-3. Plot your results on a single graph.

Short Answer

Expert verified

The graph of the silver halide titration curve:

Step by step solution

01

Concept used. 

The equation for titration curve of M+with X-is

VM=VX掳Cx掳+[M+l-[X-]CM-[M+]-[X-l

CMiis initial concentration of M+

CxisconcentrationofX-VxisvolumeofX-

02

Plot the graph

The graph of a silver halide titration curve.

The spreadsheet for the silver iodide titration curve is as follows:

The graph of the silver halide titration curve looks like this:

As the solubility product of halides declines, so does the solubility of halides. Silver iodide has the steepest slope, indicating that it is least soluble. Because is dependent on the concentration of silver ions, the values rise as the solubility product decreases.

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Most popular questions from this chapter

Ascorbic acid (vitamin C) reacts with according to the equation

Starch is used as an indicator in the reaction. The end point is marked by the appearance of a deep blue starch-iodine complex when the first fraction of a drop of unreacted I3-remains in the solution.

(a) Verify that the structures above have the chemical formulas written beneath them. You must be able to locate every atom in the formula. Use atomic masses from the periodic table on the inside cover of this book to find the formula mass of ascorbic acid.

(b) If 29.41 mL of I3-solution are required to react with 0.197 0 g of pure ascorbic acid, what is the molarity of theI3-solution?

(c) A vitamin C tablet containing ascorbic acid plus inert binder was ground to a powder, and 0.424 2 g was titrated by 31.63 mL of I3-. Find the weight percent of ascorbic acid in the tablet.

Calculate pAg+at the following points in titration (a) in Figure 7-4: (a) 10.00mL; (b) 20.00mL; (c) 30.00mL; (d) second equivalence point; (e) 50.00mL.

What is the difference between a reagent-grade chemical and a primary standard?

A 25.00 - mL solution containing 0.031 10 M Na2C2O4was titrated with 0.025 70 M Ca(NO3)2to precipitate calcium oxalate:Ca2++C2O4-鈫�CaCO4(s) Find pCa2+ at the following volumes

of :Ca(NO3)2

(a) 10.00,

(b) Ve

(c) 35.00 mL

Describe how to analyze a solution of NaI by using the Volhard

titration.
See all solutions

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