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9&10 please! Question 9 Which of the following is NOT a strong acid? (1 point) *...
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN HF NH3 Question 11 Write the equilibrium expression for a simple acid ionization. (HA (aq) -> H+ + A-) (1 point ) * Ka = ([H+][A-])/[HA] Ka = [H+]/[HA] Ka = [H+][A-] None of the above Question 12 Write the equilibrium expression for the following reaction. HF (aq) -> H+ (aq) + F- (aq) (1 point ) * Ka = ([H+][F-])/[HA] Ka = [H+]/[HA]...
Please answer all questions Which of the following is NOT a strong acid? Select one: O a. H2S04 O b. HF O c. H Br O d. HNO3 о е. НСІ Calculate Ka for ammonium, NH4+. Select one: O a. 9.3 O b. 1.8 x 10-5 O c. 4.7 O d. 5.6 x 10-10 o e. 1.0 x 10-14
Which Br∅nsted-Lowry acid is NOT considered to be a strong acid in water? Which Br∅nsted-Lowry acid is NOT considered to be a strong acid in water? HNO3 HI HClO4 HF
in aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases other. H3PO4, HF, LiOH, Ba(OH)2, (CH3)3N, NH3, CH3, COOH, NaCl, HNO3, HCl, CsOH, H2CO3, H2SO4,HCN, Ca(OH)2, Hi, NO3, HCN, H2CO3
Question 13 1 Point Which of the following is the strongest acid? Select the correct answer butanoic acid, CH3CH2CH2COOH (Ka = 1.51 x 10-6) hydrocyanic acid, HCN (Ka = 6.31 x 10-6) hydrofluoric acid, HF (Ka = 6.76 x 10-4) thiocyanic acid, HSCN (Ka = 12.59)
DNH ANH IB HU 12 Which species is the conjugate acid of NH3? A NH₂ BH,0 | CNH 13 Which species is a diprotic acid? A Mg(OH)2 CH₂ BCH COOH DH,CO 14 Which compound is an example of weak acid? HNO3 в | HBr IC CHCOOH DH,SO, 15 Ammonia, NH, is an example of a.......? Strong acid B Strong base Icl Weak acid Weak base 16 Which ion is the strongest base? LA Br BF cr DNO, 17 Rank the...
Which of the following is a weak acid? (following number are subscripts) a. Hydrochloric acid, HCI b. Hydrocyanic acid, HCN c. Chloric acid, HCIO3 d. Nitric acid, HNO3 e. Sulfuric acid, H2S04
Label the stronger acid in each pair. Which acid has the stronger conjugate base? a. H2CO3 or HI b. HF or HBr c. H2SO4 or HNO3 d. H3PO4 or HCN
8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3 8. Identify the following as a strong acid, a strong base, a weak acid, a weak base, or a neutral solution: a. LiBr b. LiOH c. H20 d. HNO3 e. HOBr f. CH3NH2 g. NH3
Which is true for the following titrations. Question 3 options: 123 The titration of a strong base using a strong acid. 123 The titration of a weak base using a strong acid. 123 The titration of a weak acid using a strong base. 1. The pH at the equivalence point is approximately equal to 7.0. 2. The pH at the equivalence point is less than 7.0 3. The pH at the equivalence point is greater than 7.0. Question 4 (1...