Given the following acids and their corresponding Ką values, predict which acid would have the strongest...
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
Using the data given below for acids, which of the conjugate bases is the strongest base? Acid Ka HF 3.5 x 10-4 HOAc 1.8 x 10-5 HCHO2 1.8 x 10-4 HClO 2.9 x 10-8 A. OAc- and CHO2- B. OAc- C. F- D. ClO- E. CHO2-
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)
please explain how you got your answer 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 >...
Which of the following solutions contains the strongest acid? Select one: O a. 5.00 M HCN (Kg = 6.2 x 10-10) O b. 3.50 M H2C6H606 (Ka1 = 7.9 x10-5, Ka2 = 1.6 x 10-12). O c. 2.50 M HC2H3O2 (Ka = 1.8 x 10-5) O d. 4.00 M HOCI (K3 = 3.5 x 10-8) O e. 1.00 M HF (Kg = 7.2 x 10-4)
10. An unknown acid was found to have a pKa value of 6.28 and a Ką value of 5.2 x 10-7. Use the table to identify the acid. Acid Name Acid Formula K, Value pk, Value Chlorous acid нсіо, 1.2 x 10-2 2.92 Monochloracetic acid HCH.CO2 1.35 x 10 3.87 Hydrofluoric acid HE 7.2 x 10-4 4.14 Acetic acid HC2H302 1.8 x 105 4.75 Carbonic acid H2CO3 4.3 x 10-7 6.37 Hypochlorous acid HOCI 3.5 x 10-8 7.46 Hydrocyanic acid...
Determine the conjugate base for each of the following acids: HSO4- CH3CH2COOH Identify all of the acids and bases in the following reaction. Predict which direction the reaction will favor (forward or reverse). HNO3 (aq) + NaF (aq) ↔ HF (aq) + NaNO3 (aq) Rank the following acids according to strength: Acid Ka HF 3.5 x 10-4 H3PO4 7.5 x 10-3 Ascorbic acid 7.9 x 10-5 Which conjugate base would be the strongest? The pH of...
Exercise 1: Consider the following information for a series of solutions of weak acids, HA: Weak acid PK, К. If [HA], is... then [H3O+]E ... and pH HCOOH 3.74 1.8 x 10-4 0.100 M 4.2 x 10² M 2.38 HNO2 3.37 4.2 x 10-4 0.100 M 6.3 x 10-M 2.20 HCN 9.20 6.3 x 10-10 0.100 M 7.9 x 10ⓇM 5.10 4.23 0.100 M 5.9 10-M HOCI 7.46 3.5 x 10-8 0.200 M 8.3 x 10M 4.07 0.400 M 1.2...
Which of the following is the strongest acid? CH3COOH, Kg = 1.8 x 10-5 HF, KA = 3.4 x 10-4 O HNO2, Kg = 4.6 x 10-4 HCN, KA = 4.9 ~ 10-10 HCIO, KA = 3.0 x 10-8
Consider the Ka values for the following acids: Acid Ka HA 3.77E-5 HB 4.65E-6 HC 6.60E-6 HD 2.84E-4 HE 1.45E-5 Write the formula for the acid which has the STRONGEST conjugate base. What is the corresponding Kb value for the strongest acid from the table above?