10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4...
Which one of the following is a strong acid? O NH3 H2SO3 O H3PO4 O HCIO3 O CH3COOH
10. Which of these species is probably the weakest acid? (a) HCI (b) H3PO4 (c) H2SO3 (d) HOBI (e) HNO3 11. What volume of 0.50 M KOH would be required to neutralize completely 500.0 mL of 0.25 M H3PO4 solution? KOH is sufficiently strong as a base to remove all three protons from H3PO (a) 2.5 x 10 mL (6) 1.4 x 10mL (c) 83 mL (d) 7.5 x 10 mL (e) 5.2 x 10 mL
Which of the following is the strongest acid? a. H3PO4 b. NaOH c. NH4+ d. H2CO3 e. HCl
17. Which of these acids is the strongest? A) H2SO3 B) H2SO3 C) H2TeO3 18. Which one of these net ionic equations represents the reaction of a strong acid with a weak base? A) H(aq) + OH(aq) + H2O(aq) B) H(aq) + CH3NH2(aq) → CH3NH3(aq) C) OH(aq) + HCN(aq) → H2O(aq) + CN-(aq) D) HCN(aq) + CH3NH2(aq) → CH3NH3+ (aq)+ CN (aq) 19. Predict the direction in which the equilibrium will lie for the reaction H2CO3 + HCO,- + HF....
Which of the following acids can be oxidized to form a stronger acid? H3PO4 HNO3 H2CO3 H3BO3 H2SO3 The answer is e, But why? can someone provide a detailed explanation to why HSO3- is somehow stronger than H2SO3? dont all polyprotic acid become weaker once it dissociates? (ka1 >ka2)??
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...
Classify H2CO3 as a strong base, weak base, strong acid, or weak acid, and then answer the following question. What is the pH ofa 0.321 M H2CO3 (aq) solution? a. 6.9 b. 8.6 c. 5.4 d. 10.6 e.3.4
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
Which of the following acids is a diprotic acid? a) H3PO4 b) HCIO c) HC2H302 d) H2SO4 e) HNO: f) more than one correct response g) no correct response
Compare the following: Acid 1: carbonic acid , H2CO3 Acid 2: sulfurous acid , H2SO3 Acid 3: hydrosulfuric acid , H2S What is the formula for the strongest acid ?