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Question 29 3 pts Which is the strongest acid? o HBro, o H, Teo o HCIO,...
Jina glass or wine with pH = 3.64? O 6.8 x 10-'M O 23x10-4M 4.4 x 10-11M O 6.4 x 10-?M Question 31 3 pts An acid solution with a concentration of 0.500 M has a pH 3.21. What is the K, of the acid? O 12x 10-5 O 7.6 x 10-7 O 54x 10-2 0 17 x 10 Question 32 3 pts 0 What is the molar solubility of Ap 50in water. The solubility product earch a hr
Question 11 3 pts What is the pH of a 0.010 Maqueous hypobromous acid solution (HBrO)? O 1.87 O 2.87 6.12 O 5.30
Question 5 3 pts Which one of the following best describes an aqueous solution of HCIO,? O salt weak base O strong acid weak acid O strong base
Question 8 1 pts Rank the following in order of acidity-#1 being the strongest acid Assume that the universe is finite. Compound A OH Compound B: OH Compound C HO Compound D CH2 Compound A HO Compound D CH2 Compound A IChoose ] Water IChoose ] HF IChoose ] Compound B IChoose ] propane IChoose ] HCI IChoose ] Compound C IChoose ] Compound D IChoose ] Question 3 1 pts You have a 50/50 mixture of fluorene and aniline...
Question 8 3 pts Which of the following is not a conjugate acid/base pair? O HC2H302/C2H302" O NH4+/NH3 CO2/C03 OH3PO4/H2PO4 Question 9 3 pts A 1.0 M solution of NaC2H3O2 in water is expected to be: Acidic because sodium acetate undergoes hydrolysis Neutral because sodium acetate is a salt Basic because acetate ion is the conjugate base of acetic acid Acidic because it forms acetic acid Question 10 3 pts Examples of ionizing radiation would include: infrared (IR) visible light...
Question 6 3 pts U Which equation indicates the presence of a catalyst in the reaction? A+B-D4B O A AD OAB+C OA+B-C+D Question 7 3 pts The ionization of benzoic acid is represented by this equation C.H.COOH) H(aq) + C.H.COO"(aa) If 20.045 M solution of benzoic acid has an (H+)-1.7 x 10-2 what is the Kof benzoic acid? 0 77x10-5 22x10-2 O 82104 5.410 Question 8 3 pts - - - - - - CN 13 + H2N = =...
Question 3 1 pts Consider a 0.1 M solution of the weak acid CH3COOH with a pH of 2.88. You add NaCH3COO (sodium acetate) until the salt concentration is 0.1 M. What is the new pH? You do not need to calculate this and the numbers below are all fake. This is about the pattern. You can answer this based on your knowledge of the common ion effect and the pH scale. 1.97 2.88 3.17 6.34 7.00
Question 12 3 pts What is the pH of an aqueous 0.10 M NaC,H,O solution? O 2.82 O 8.37 O 5.82 O 11.44
O 11.3 o 2.7 9.0 Question 3 1 pts Which of the following solutions exhibits a pH greater than 72 O 0.5 M (NH4)2SO4 0.5 MK3PO4 0.5 M HNO3 0.5 M Naci Question 4 1 pts Which of the following is the conjugate base of H2SO4?
D Question 14 3 pts What is the percent ionization of 0.50 M HC,H,O2 (butanoic acid)? 0 0.022% O 0.0072% O 0.55% 4.2%