Questions from General Chemistry

Q: Neglecting any effects caused by volume changes, would you expect the

Neglecting any effects caused by volume changes, would you expect the ionic strength to (1) increase, (2) decrease, or (3) remain essentially unchanged by the addition of iron(III) chloride to a. HCl...

Q: Explain why the activity coefficient for dissolved ions in water is usually

Explain why the activity coefficient for dissolved ions in water is usually less than that for water itself.

Q: Explain why the activity coefficient for a neutral molecule is usually 1

Explain why the activity coefficient for a neutral molecule is usually 1

Q: Explain why the initial slope for Ca21 in Figure 8-3

Explain why the initial slope for Ca21 in Figure 8-3 is steeper than that for K1?

Q: What is the numerical value of the activity coefficient of aqueous ammonia

What is the numerical value of the activity coefficient of aqueous ammonia 1NH32 at an ionic strength of 0.2?

Q: Calculate the ionic strength of a solution that is a.

Calculate the ionic strength of a solution that is a. 0.025 M in FeSO4. b. 0.25 M in 1NH422CrO4. c. 0.25 M in FeCl3 and 0.15 M in FeCl2. d. 0.025 M in La1NO323 and 0.050 M in Fe1NO322.

Q: Use Equation 8-5 to calculate the activity coefficient of

Use Equation 8-5 to calculate the activity coefficient of

Q: Express the solubility-product constant for each substance in Problem 7

Express the solubility-product constant for each substance in Problem 7-8 in terms of its molar solubility S.

Q: Describe the preparation of a. 500 mL of 0.

Describe the preparation of a. 500 mL of 0.0750 M AgNO3 from the solid reagent. b. 2.00 L of 0.325 M HCl, starting with a 6.00 M solution of the reagent. c. 750 mL of a solution that is 0.0900 M in...

Q: Calculate activity coefficients for the species in Problem 8-10 by

Calculate activity coefficients for the species in Problem 8-10 by linear interpolation of the data in Table 8-2.