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10 Nov 2019
2-3 Tartaric acid, H_2C_4H_4O_6, is a diprotic acid with K_a1 = 1.0 times 10^-3 and K_a2 = 4.6 times 10^-6. Calculate the concentration of tartarate ion, C_4H_4O_6^2-, present in 0.015 M aqueous H_2C_4H_4O_6 solution. Codeine, C_18H_21NO_3, is a monohydroxic derivative of morphine with pK_b = 6.05. Calculate the pH of a 80.0 mL solution that contains 6.5 mg of codeine. Determine whether each anion or cation is acidic basic or neutral: a) Br^- b) CIO^- c) C_7H_5O_2^- d) Sr^2+ e) Mn^3+ f) C_5H_5NH^+ Determine whether each salt will form a solution that is acidic basic or neutral: a) Al(NO_3)_3 b) C_2H_5NH_3NO_3 c) NaF d) NH_4ClO Determine the pH of the following solutions: a) 0.10 M NaCl b) 0.20 M KCHO_2 Indicate whether an aqueous solution of each of the following is acidic, alkaline or neutral pH. Support each answer with appropriate balanced equations. a. sodium bicarbonate b. aluminum nitrate c. potassium cyanide d. nitrous acid e. ammonium hydroxide f. sodium fluoride
2-3
Tartaric acid, H_2C_4H_4O_6, is a diprotic acid with K_a1 = 1.0 times 10^-3 and K_a2 = 4.6 times 10^-6. Calculate the concentration of tartarate ion, C_4H_4O_6^2-, present in 0.015 M aqueous H_2C_4H_4O_6 solution. Codeine, C_18H_21NO_3, is a monohydroxic derivative of morphine with pK_b = 6.05. Calculate the pH of a 80.0 mL solution that contains 6.5 mg of codeine. Determine whether each anion or cation is acidic basic or neutral: a) Br^- b) CIO^- c) C_7H_5O_2^- d) Sr^2+ e) Mn^3+ f) C_5H_5NH^+ Determine whether each salt will form a solution that is acidic basic or neutral: a) Al(NO_3)_3 b) C_2H_5NH_3NO_3 c) NaF d) NH_4ClO Determine the pH of the following solutions: a) 0.10 M NaCl b) 0.20 M KCHO_2 Indicate whether an aqueous solution of each of the following is acidic, alkaline or neutral pH. Support each answer with appropriate balanced equations. a. sodium bicarbonate b. aluminum nitrate c. potassium cyanide d. nitrous acid e. ammonium hydroxide f. sodium fluoride
Nelly StrackeLv2
20 Jul 2019