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QUESTION 12 Based on the acid dissociation constants (K) given, which of these acids is the...
QUESTION 12 Based on the acid dissociation constants (K2) given, which of these acids is the strongest? O H2PO4 - (Ka = 6.3 x 10-8) O NH4+ (Ka = 6.3 x 10-10) O CH3COOH (Kq = 1.7 x 10-5) O HNO2 (Ka = 5.1 x 10-4) O HCO3- (Ka = 5.0 x 10-11)
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)
Question 14 of 17 > Determine the dissociation constants for the acids, Express the answers in proper scientific notation where appropriate. Acid A: pK, = 3.0 K = Acid B: PK = 9.60 K = Acid C: pK, = -1.0 Which is the strongest acid? ОА
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18. Given the Ka values (in parentheses) for the following acids: HCI (Ka is very large) HNO2 (Ka = 4.0 x 10-): HF (Ka = 7.2 x 104) CH3COOH (Ks = 1.8 x 10-5) HCN (K. = 6.2 x 10-10) C6H3COOH (Ka = 6.3 x 10-5). Rank (or list) these acids in order of decreasing strength (strongest first). A. HCI > HF > HNO2 > C6H5COOH > CH3COOH > HCN B. HCI >...
Given the following acid dissociation constants, Ka (HNO2) = 4.0 x 10-4 Ka (HCN) = 4.0 x10-10 determine the equilibrium constant for the reaction below. HCN(aq) + NO2 - (aq) CN- (aq) + HNO2(aq)
TABLE 15.5 Acid lonization Constants (K) for Some Monoprotic Weak Acids at 25 °C Acid Formula Structural Formula lonization Reaction К. pk, = -log (2) Chlorous acid HCIO H-0-C=0 1.1 x 10-2 1.96 Stronger acids Nitrous acid HNOZ H-O-NO 5.6 x 10-4 HCIO2(aq) + H2011) = H30* (aq) + CO2 (aq) HNO2(aq) + H20(I) = H30+ (aq) + NO2 (aq) HF(aq) + H20(1) = H30* (aq) + F"(aq) 3.25 Hydrofluoric acid HF H-F 6.3 x 10-4 3.20 O Methanoic acid...
12. Consider the acid dissociation constants () shown below. Which of the following is the strongest base? Acid HNO99) HCHO og) HCIO(ag) HCNag) K. 4.6 x 10+ 1.8 x 10 2.9 x 10+ 4.9 X 10-10 (a) NO, (b) CHO (c) Cio (d) CN (e) HCHO 13. Pick the stronger base from each pair. NO or NO CIO or CIO: For CI (a) F, NO2, CIO, (b) F, NO,, CIO." (c) F, NO, CIO, (d) CI, NO, CIO (e) CI,...
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
Complete the following table, which lists information about the measured acid dissociation constants of three unknown weak acids. Note: be sure each number you put in the table has the correct number of significant digits. acid K pka relative strength a Dx16 - 11 A 7.2 x 10 . (Choose one) Х 3 ? B 3.795 (Choose one) C (Choose one) 1 (strongest) 2. 3 (weakest)