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D Which of the following statements about weak acids is false? a. Weak acids ionize only slightly in dilute aqueous solution. b. The K, values for weak acids are equal to the pH for dilute solutions. c. Weak acids are much more numerous than strong acids. d. Many weak acids are familiar to us in everyday use. e. The ionization constant for a weak acid does not include a term for the concentration of water. O a Ob Oc Od Oe Question 2 Consider the K, values for the following acids: Cyanic acid, HOCN, 3.5 x 10-4 Formic acid, HCHO2, 1.7 x 104 Lactic acid, HC3H5O3. 1.3 x 10-4 Propionic acid, HC3H5O2, 1.3 x 10-5 Benzoic acid, HC7H5O2, 6.3 x 10-5 Which has the strongest conjugate base? a. HOCN b. HCHO₂ C. HC₂H5O3 d. HC3H5O₂ e. HC₂H5O₂

D Which of the following statements about weak acids is false? a. Weak acids ionize only slightly in dilute aqueous solution. b. The K, values for weak acids are equal to the pH for dilute solutions. c. Weak acids are much more numerous than strong acids. d. Many weak acids are familiar to us in everyday use. e. The ionization constant for a weak acid does not include a term for the concentration of water. O a Ob Oc Od Oe Question 2 Consider the K, values for the following acids: Cyanic acid, HOCN, 3.5 x 10-4 Formic acid, HCHO2, 1.7 x 104 Lactic acid, HC3H5O3. 1.3 x 10-4 Propionic acid, HC3H5O2, 1.3 x 10-5 Benzoic acid, HC7H5O2, 6.3 x 10-5 Which has the strongest conjugate base? a. HOCN b. HCHO₂ C. HC₂H5O3 d. HC3H5O₂ e. HC₂H5O₂

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Question 1** Which of the following statements about weak acids is false? a. Weak acids ionize only slightly in dilute aqueous solution. b. The \( K_a \) values for weak acids are equal to the pH for dilute solutions. c. Weak acids are much more numerous than strong acids. d. Many weak acids are familiar to us in everyday use. e. The ionization constant for a weak acid does not include a term for the concentration of water. - ○ a - ○ b - ○ c - ○ d - ○ e **Question 2** Consider the \( K_a \) values for the following acids: - Cyanic acid, HOCN, \( 3.5 \times 10^{-4} \) - Formic acid, HCHO₂, \( 1.7 \times 10^{-4} \) - Lactic acid, HC₃H₅O₃, \( 1.3 \times 10^{-4} \) - Propionic acid, HC₃H₅O₂, \( 1.3 \times 10^{-5} \) - Benzoic acid, HC₇H₅O₂, \( 6.3 \times 10^{-5} \) Which has the strongest conjugate base? a. HOCN b. HCHO₂ c. HC₃H₅O₃ d. HC₃H₅O₂ e. HC₇H₅O₂
Transcribed Image Text:**Question 1** Which of the following statements about weak acids is false? a. Weak acids ionize only slightly in dilute aqueous solution. b. The \( K_a \) values for weak acids are equal to the pH for dilute solutions. c. Weak acids are much more numerous than strong acids. d. Many weak acids are familiar to us in everyday use. e. The ionization constant for a weak acid does not include a term for the concentration of water. - ○ a - ○ b - ○ c - ○ d - ○ e **Question 2** Consider the \( K_a \) values for the following acids: - Cyanic acid, HOCN, \( 3.5 \times 10^{-4} \) - Formic acid, HCHO₂, \( 1.7 \times 10^{-4} \) - Lactic acid, HC₃H₅O₃, \( 1.3 \times 10^{-4} \) - Propionic acid, HC₃H₅O₂, \( 1.3 \times 10^{-5} \) - Benzoic acid, HC₇H₅O₂, \( 6.3 \times 10^{-5} \) Which has the strongest conjugate base? a. HOCN b. HCHO₂ c. HC₃H₅O₃ d. HC₃H₅O₂ e. HC₇H₅O₂
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