Question 13 3 pts What is the conjugate base of H2A5O4? HASO 2 O HASOA O...
(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....
3 pts Question 17 U What is the predominate species present in an aqueous solution of arsenic acid, H,ASOwhose pH is buffered at 5.0? O AsOy O HASO 2 OH ASO O H.AsO4
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...
11. For the following reaction, which is a conjugate acid and base pair? NH2CH3 (aq) + HCO2H (aq) + NH3CH3+ (aq) + HCO3- (aq) a. Acid: NH2CH3; Conjugate Base: HCO2H b. Acid: HCO2H; Conjugate Base: NH2CH3 C. Acid: NH2CH3; Conjugate Base: NH3CH3 d. Acid: HCO2H; Conjugate Base HCO2 e. Acid: NH3CH3; Conjugate Base: NH2CH3 12. If the K, of benzoic acid (C6HCOOH) is 6.14 x 105, what is the pKb of the benzoate (C6H5COO-)? a. 1.63 x 10-10 d. 9.79...
b. NH e. HaPO c. 0 11. For the following reaction, which is a conjugate acid and base pair? NH2CH: (aq)+ HCO H (aq) NH CH, (aq) + HCO (aq) a. Acid: NH2CHs; Conjugate Base: HCO2H b. Acid: HCO2H; Conjugate Base: NH2CH Acid: NH CH; Conjugate Base: NH CH3 d. Acid: HCO2H; Conjugate Base HCO2 e. Acid: NH3CH3; Conjugate Base: NH2CH C. 12. If the Ks of benzoic acid (CsHsCOOH) is 6.14 x 10, what is the pK, of the...
What is the conjugate acid of the Brønsted-Lowry base, (CH3)3N O of 1 point earned 3 attempts remaining What is the conjugate acid of the Brønsted-Lowry base, CsH5NH2? O of 1 point earned 3 attempts remaining What is the conjugate acid of the Brønsted-Lowry base, HCO3"? O of 1 point earned 3 attempts remaining What is the conjugate acid of the Brønsted-Lowry base, H2PO4" O of 1 point earned 3 attempts remaining What is the conjugate base of the Brønsted-Lowry...
Question 39 1 pts A weak acid (HA) reacts with a weak base (B) to form the conjugate base of the acid (A) and the conjugate acid of the base (B-H the pKa of HA was 4.8 and the pKa of BH* (i.e., the pKabH of B) was 9.4, what would be the value of the equilibrium constant for the above reaction to the nearest ones? Obviously, by expressing the answer to the nearest ones, we are using too many...
please help with 3 & 4
Question 3 Which of the following is a conjugate acid-base pair? O H2SO4/SO42- O HCI/OCI O H3O/OH O NH4+/NH3 O none of these Question 4 Which of the following must be true if a solution is to be considered acidic? O [H]<[OH-] O [H] > [OH) OH'] = [OH) Ок- [н'ион) two of these
Question 28 of 37 su What is the conjugate acid of the Brønsted-Lowry base, HCO3+? 04 0 3. 02 24 3+ 4+ 1 2. 3 4 5 6 7 8 9 0 2 3 4 Os 8 Ig + o - = (5) (1) (g) (aq) H O С
Q.1. Draw the conjugate base or conjugate acid of the following species Conjugate Acid Conjugate Base a) OH Sb) ? CH3NH2 c) HO d) ? SO- Q.2. ) Circle the most acidic proton and cross out the least acidic protons among the shown hydrogen atoms in the following molecules. NO H NH2 O-H Η Η CH3 OH -SC-H Н" Q.3. Circle the most acidic compound and cross out the least acidic compound in each set. ou la olagla ОН OH...