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pka given for 4 acids, find the weakest acid. HF:3.14,HNO2:3.39,H2SO3:1.81,H2CO3:6.37
Consider the following unfinished table of weak acids with their corresponding pKa values and Ka values. Weak Acid pka 3.35 ка HNO2 HF HCN - 6.8*10-4 9.31 Arrange these three acids in order of increasing acid strength. (weakest) HCN <HF < HNO2 (strongest) n (weakest) HCN <HNO2 <HF (strongest) (weakest) HF <HNO2 <HCN (strongest) d (weakest) HNO2 <HCN <HF (strongest) Ce (weakest) HNO2 <HF <HCN (strongest)
33. From the pKa of the following acids which is the weakest acid: a. HClO2 pKa = 1.95 b. HNO2 pka = 3.34 c. HCO2H pka = 3.74 d. HClO pKa = 7.54
5) Of the following acids, ________ is a strong acid. A) HNO2 B) H2CO3 C) HNO3 D) HClO 6) Calculate the hydrogen ion concentration in a solution of iced tea with lemon having a pH of 2.87. A) 2.9 x 10–2 M C) 1.3 x 10–3 M 7) Which one of the following is the weakest acid? A) HF (Ka = 6.8 × 10-4) B) HClO (Ka = 3.0 × 10-8) C) HNO2 (Ka = 4.5 × 10-4) D) HCN...
Name the following acids. Acid Name HBr(aq) HCIO3(aq) H2S(aq) HNO3(aq) H2SO3(aq) H2Se(aq) H2CO3(aq) HIO4(aq) HBrO2(aq) HF(aq)
Which of the following acids is the WEAKEST? The acid is followed by its Ka value. Which of the following acids is the WEAKEST? The acid is followed by its Ka value. HIO, 2.3 * 10^-11 HNO2, 4.6 × 10-4 HClO2, 1.1 × 10-2 C6H5COOH, 6.5 * 10 ^-5 HF, 3.5 × 10-4
Which of the following acids is the weakest? The acid is followed by its Ka value. HCOOH, 6.5 x 10-5 HCIO2, 1.1 x 10-2 HNO2, 4.6 x 10-4 HIO, 2.3 * 10-11 HF, 3.5 x 10-4
QUESTION 12 Based on the acid dissociation constants (K) given, which of these acids is the weakest? HCO3- (Ka = 5.0 x 10-11) CH3COOH (Kg = 1.7 x 10-5) HNO2 (Ka = 5.1 x 10-4) NH4+ (Ka = 6.3 x 10-10) H2PO4- (Ke = 6.3 x 10-8)
QUESTION 12 Based on the acid dissociation constants (Ka) given, which of these acids is the weakest? о HNO2 (ka = 5.1 x 10-4) NH4+ (Ka = 6.3 x 10-10) HCO3- (Ka = 5.0 x 10-11) = CH3COOH (Ka 1.7 x 10-5) О H2PO4- (Ka = 6.3 x 10-8)
Given the following acids and their corresponding Ką values, predict which acid would have the strongest conjugate base? O HOCI Ka = 3.5 x 10-8 O HC2H302 Ka = 1.8 x 10-5 O HF Ka = 7.2 x 10-4 O All will be equally strong. HNO2 Ka = 4.0 x 10-4
Given the following acids and their corresponding Ka values, predict which acid would have the strongest conjugate base? a. All will be equally strong. b. HC2H3O2 Ka = 1.8 x 10-5 c. HF Ka = 7.2 x 10-4 d. HOCl Ka = 3.5 x 10-8 e. HNO2 Ka = 4.0 x 10-4