Chapter 7: Q17P (page 159)

Describe the chemistry that occurs in each of the following regions in Figure 7-2:
before the equivalence point;
(ii) at the equivalence point; and
(iii) past the equivalence point.
Write the equation to find $[{Ag}^{+}]$ in each region.

Short Answer

Expert verified

The equation to find $[A g^{+}] i s C_{t i t r a n t =} \frac{n_{t i t r a n t} - n_{a n a l y t e}}{V_{t o t a l}} [A g^{+}] = \frac{n_{A g^{+}} - n_{1^{-}}}{V_{A g +} + V_{1^{-}}}$

Step by step solution

Define The formula to be used for solution

Solve for $[l^{-}]$

role="math" localid="1654772439398" $C_{a n a l y t e =} \frac{n_{a n a l y t e} - n_{t i t r a n t}}{V_{t o t a l}} [l^{-}] = \frac{n_{1^{-}} - n_{A g^{+}}}{V_{1^{-}} + V_{A g^{+}}}$

calculate the solubility

Here for $[{Ag}^{+}]$ can be calculated using the solubility product formula:

role="math" localid="1654772931130" $K_{sp} = [{Ag}^{+}] l^{-} [{Ag}^{+}] = \frac{K}{[l^{-}]}$

(ii) at the equivalence point and by letting $[l^{-}]$ be equal to $[{Ag}^{+}]$

$[{Ag}^{+}] [l^{-}] = K_{sp} [{Ag}^{+}] [{Ag}^{+}] = K_{sp} {[{Ag}^{+}]}^{2} = K_{sp} [{Ag}^{+}] = \sqrt{K_{sp}}$

The number of moles of titrant $({Ag}^{+})$ is greater than the number of moles of analyte $(l^{-})$ .

$C_{t i t r a n t =} \frac{n_{t i t r a n t} - n_{a n a l y t e}}{V_{t o t a l}} [A g^{+}] = \frac{n_{A g^{+}} - n_{1^{-}}}{V_{A g +} + V_{1^{-}}}$

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Describe the chemistry that occurs in each of the following regions in Figure 7-2:
before the equivalence point;
(ii) at the equivalence point; and
(iii) past the equivalence point.
Write the equation to find $[{Ag}^{+}]$ in each region.

Short Answer

Step by step solution

Define The formula to be used for solution

calculate the solubility

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Most popular questions from this chapter

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Describe the chemistry that occurs in each of the following regions in Figure 7-2:before the equivalence point;(ii) at the equivalence point; and(iii) past the equivalence point.Write the equation to find[Ag+]in each region.

Short Answer

Step by step solution

Define The formula to be used for solution

calculate the solubility

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Nuclear Chemistry

The Earths Atmosphere

Organic Chemistry

Chemical Analysis

Chemistry Branches

Making Measurements

Study anywhere. Anytime. Across all devices.

Describe the chemistry that occurs in each of the following regions in Figure 7-2:
before the equivalence point;
(ii) at the equivalence point; and
(iii) past the equivalence point.
Write the equation to find $[{Ag}^{+}]$ in each region.