Refer to Equilibrium Constants. Which of the following titrations could the foll

Question

Refer to Equilibrium Constants. Which of the following titrations could the following curve describe? a. KOH added to HNO_3 b. HCI added to aqueous NH_3 c. HNO_3 added to KOH d. NaOH added to HF e. CH_3COOH added to aqueous NH_3 At 25 degree C, 1.4 times 10^-5 mole of Cd(OH)_2 dissolves to give 1.0 liter of saturated aqueous solution. What is the solubility product for Cd(OH)_2? a. 1.7 times 10^-5 b. 2.9 times 10^-30 c. 1.1 times 10^-14 d. 5.8 times 10^15 e. 4.1 times 10^-12 The K_sp for magnesium arsenate is 2.1 times 10^-20 at 25 degree C. What is the molar solubility of M_g_3(AsO_4)_2 at 25 degree C? a. 6.7 times 10^-3 M b. 3.6 times 10^-4 M c. 4.5 times 10^-5 d. 7.0 times 10^-5 e. 1.4 times 10^-6 M K_sp for lead fluoride is 3.7 times 10^-8. What is the molar solubility of PbF_2 in 0.10 M NaF? a 4.6 times 10^-5 M b. 1.9 times 10^-4 M c. 3.7 times 10^-7 M d. 3.7 times 10^-6 M e. 8.5 times 10^-8 M How many grains of MgF_2 will dissolve in 150. mL of 0.100 M NaF solution? K_sp for MuF_2 = 6.4 times 10^-9 a. 6.2 times 10^-7 g b. 4.1 times 10^-6 g c. 1.0 times 10^-5 g d. 6.0 times 10^-6 g e. 9.3 times 10^-7 g

Explanation / Answer

29) given curve is pH curve of strong base added to weak acid

Here we have two strong base added KOH and NaOH but HNO3 is strong acid and HF is weak acid

so answer is d) NaOH vs HF

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