Number 2 is basic salt
Other two solutions are slightly acidic in nature.
(a) is correct option
Given the following, which of the following amphiprotic salts would you expect to produce a basic...
Given the following, which of the following amphiprotic salts would you expect to produce a basic solution? Number Compound Ka Kb 1 NaHSO4 1.03 x 10-2 9.71 x 10-13 2 NaHCO3 4.69 x 10-11 2.24 x 10-8 3 NaHSO3 6.73 x 10-8 7.19 x 10-13 2 only 1 and 2 1 only 1 and 3 3 only
Which of the following salts would have the greatest solubility in water? Question 13 of 14 Submit Which of the following salts would have the greatest solubility in water? Chapt Download Chapter 1 MB) Formula Ksp A) ACI AgCI 1.8 x 10-10 Exar B) LaF LaF3 2 x 10-19 C) CuBr CuBr 5.3 x 10-9 Follow looking Table D) CaF2 CaF2 3.5 x 10-11 к. Cams Bachelors for Associa.. o Bi 15 Type here to search
Question 14 3 pts Which of the following pairs would be appropriate to make a buffer of PH 2.0? O HNO2 and KNO2 O NaHSO4 and H2SO4 Na2SO3 and NaHSO3 Na2HPO4 and Na3PO4 O H2C204 and NaHC204 3 pts Question 15 Which of the following pairs will make a buffer? Question 3 3 pts What is the solubility of SrF2 (s) in moles per liter (mol/L) in pure water? O 3.7 x 10-5 O 5.3 x 105 O 2.8 x...
please show me how to answer these 13. Which of the following combinations would be best to buffer an aqueous solution at a pH of 2.0? a. H3PO4 and H2PO4, Kat = 7.5 x 103 b. HNO2 and NO2, Ka 4.5 x 10 c. CH3COOH and CH3COO, Ka 1.8 x 105 d. H2PO and HPO 2, Ka2 6.2x 10 14. Molecules or ions that can alternately behave as either a Bronsted-Lowry acid or base are called a. polyanions b. hydronium...
Which one of the following species is amphiprotic? Select one: PO43–(aq) HCl(g) HSO4–(aq) Cl–(aq) For the system NH2OH + CH3NH3+⇌ CH3NH2 + NH3OH+ 95% 95 % 5 % 5 % the state of equilibrium in the system is described by the percentages given. Which of the species is the strongest base in the system? Select one: NH2OH CH3NH3+ CH3NH2 NH3OH+ An aqueous solution at 25.0 oC has an H3O+ concentration of 4.0 × 10–2 mol L–1. What is the OH–...
1. Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, write only NR. Ba(CHO₂)₂ 2. Write the formula of the conjugate base of the Brønsted-Lowry acid, HC₂O₄⁻ 3. What is the pH of a 0.0880 M solution of HONH₃Cl (Kb of HONH₂ is 1.1 × 10⁻⁸)? 4. What is the pH of a...
28. Describe the pH of the following salts? NaF, NH,CI, KI, NH.F A) acidic, basic, neutral, cannot tell without further information B) neutral, acidic, neutral, cannot tell without further information C) neutral, acidic, neutral, neutral D) basic, acidic, neutral, cannot tell without further information E) basic, acidic, neutral, neutral 29. Which of the following salts is(are) considered basic when dissolved in water? I NaNO IL K PO III NH C A) l only B) II only C) land il D)...
can anyone help? Question 6 (5 points) Which of the following will increase when HF is added to pure water at 25 °C? Okw Орн O(OH) Осно*) Ka Question 7 (5 points) aculate the Kb of the conjugate base of an acid with a ka value of 2.9 X 100 25 °C Question 7 (5 points) Calculate the Kb of the conjugate base of an acid with a Ka value of 2.9 x 10-10 at 25 °C. O 3.4 x...
5) Which of the following salts forms aqueous solutions with pli>T! Na:CO, e. Na SO, NaBr d. NHL.CI 6) Which of the following is not a buffer system solution containing roughly equal concentrations of fluoride ion and hydrofluoric acid. c. phosphate ion and monophosphate ion. chloride ion and hydrochloric acid. d s ulfite ion and bisulfite ion. 7) What is indicated by the shape of the titration curve? b. Volume of titrant a. A diprotic acid was titrated with a...
Calculate the pH of each of the following aqueous solutions at 25 °C. (Please help me solve #4 with your work, and check my answers for #1-3, if incorrect please show me why, Thank you) 1) 0.65 M boric acid (B(OH)3, Ka = 7.3 x 10-10) (pH=4.66) 2) 3.15 M ammonia (NH3, Kb = 1.76 x 10-5) (pH= 4.37) 3) 0.82 M benzoic acid (C6H5COOH, Ka = 6.3 x 10-5) (pH=2.14) 4) 0.100 M H3AsO4 (Ka1 = 2.5 x 10-4,...