is it an acid or a base OH-=3.7 x10-4M
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Complete the Table: [H+] pH [OH-] pOH Acid or Base? 3.47 x10^-12 1.50 1.66x10^-6 7.41
Answer Strong base is dissolved in 715 ml of 0.400 M weak acid (K. 4.73 x10) to make a buffer with a pH of 4.05. Assume that the volume remains constant when the base is added. HA(aq) + OH-(aq) 11,011) +A-(aq) -> Calculate the pka value of the acid and determine the number of moles of acid initially present. Number Number рк,-14.325 0.286mol HA When the reaction is complete, what is the concentration ratio of conjugate base to acid? Number...
(d) Conjugate acid: OH"; conjugate base: H3* (e) None of these 5. Identify the conjugate acid/base pairs in the following equation (10) HASO4 + H2O <H2AsO4 + OH (A). HASO. (acid)HAsO4 (base): H2O (acid)/ OH (base) (B). HASO4 (acid)/HASO. (base): H2O (acid)/ OH (base) (C). H2AsO4 (acid)/ OH (base) ; H2O (acid)/HASO4 (base) (D). H AsO4 and H20 (acids): OH and HASO4(bases) (E). None of these 6. Which is an INCORRECT statement?(10) a) The conjugate base of H2O is OH....
If a buffer solution is 0.520 M in a weak acid (Ka-5.4 x10 and 0.220 M in its conjugate base, what is the pH? Number If a buffer solution is 0.520 M in a weak acid (Ka-5.4 x10 and 0.220 M in its conjugate base, what is the pH? Number
Strong base is dissolved in 755 mL of 0.200 M weak acid (K = 4.16 x10^-5) to make a buffer with a pH of 3.96. Assume that the volume remains constant when the base ?s added. Calculate the pKa value of the acid and determine the number of moles of acid initially present When the reaction is complete, what is the concentration ratio of conjugate base to acid? How many moles of strong base were initially added?
N.PO) Me(OH), Mo Strong acid Weak acid Strong base Weak base
4. The base hydrolysis reaction for the conjugate base of salicylic acid (C6H (OH)(COOH)) is A: CHA(OH)(COOH) + H2O <==> CHA(OH)(COO) + H20* B: CH(OH)(COOH) + H2O <==> C6H4(OH)(COO) + OH C: CHA(OH)(COO) + H2O <==> C6H4(OH)(COOH) + OH Ky for this reaction is Check two (2) boxes. 0 O A (blank 1) B (blank 1) C (blank 1) 11.03 (blank 2) 1.07x10^-3 (blank 2) 9.33x10^-12 (blank 2) 0 0
Part A HNO3 is the acid and OH is the base. Express your answers as a chemical expression. HNO3 + OH = Submit Request Answer Part B HO" is the acid and NH is the base. Express your answers as a chemical expression. = AED HgO + NH3 = Submit Request Answer Provide Feedback
is this solution an acid base neutral : (OH) = 2.8 x 10-2 [OH) = 2.8 x 10-2 M
need help with these 2 questions HCO3 + OH -> H2O + CO32- Acid: Base: Conjugate Acid: Conjugate Base: Question 21 HCI + NH3-NH4++CI Acid: Base: Conjugate Acid: Conjugate Base: