What is the pH at the point in a in which 25.0 ml of 1.00M KOH has been added to

Question

What is the pH at the point in a in which 25.0 ml of 1.00M KOH has been added to 20.0 mL of 1.00 HBr? 1.67 0.55 2.71 13.05 Which of the following statements could the following curve describe? KOH titrated with HClO_4 HNO_3 titrated with NaOH NH_3 titrated with HCl NH_3 titrated with NaOH The molar solubility of a saturated solution of Ag_2SO_4 is 1.5 times 10^-2 M. What is the of Ag_2SO_4. 3.4 times 10^-4 1.4 times 10^-6 5.2 times 10^-6 2.6 times 10^-9 Which of these ionic salts is the least soluble in water? Fes k_sp = 3.7 times 10 Cul k_sp = 1.0 times 10^12 Cu(OH)_2 k_sp = 2.2 times 10^29

Explanation / Answer

12. pH when 29 ml of 1.0 M KOH is mixed with 20 ml of 1.66 M HBr,

B) 0.95

13. The statement valid for the curve given would be,

C) NH3 titrated with HCl

14. With molar solubility for Ag2SO4 is 1.5 x 10^-2 M, the Ksp = (0.015)^2.(0.015)

A) 3.4 x 10^-6

15. Least soluble salt would have lowest Ksp value,

C) Cu(OH)2

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