Given the following K values, which anion is the strongest base? Acid H 4.2 x 10...
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
Module 4. 5. 687 621-3 30. Gece the following X, values, which anion is the strongest base? ALE 1 x 10 HCOOH 1.2* 10+ SON 4.9 104 SEO 45 x 10- CHCOOH 51.8x100 AY ON BP c) CHICOO D) COO E NON a tion below is considered to have basic character? A) p2 c
Question 28 2.5 pts Given the acid equilibrium constants (K), which acid will be the strongest acid? HC2H302 (K, - 18x105) © HCN (K, 4.9 x 100 H,PO (K, -7.5x 10) HCOOH (K, - 18x104)
Which acid has the strongest conjugate base? H-C O-H methanoic acid, HMe Kg = 1.8 x 10-4 H-C-C O-H ethanoic acid, HET Ka = 1.8 x 10-5 HHH H-C-C-C7 H-C-C-C- -H н н 10-н propanoic acid, HPT Kg = 1.3 x 10-5 butanoic acid, HB Ky = 1.5 x 10-5 butanoic acid methanoic acid propanoic acid ethanoic acid
Which of the following acids is the strongest? O Acid A, Ka = 3.2 x 10-10 O Acid B, Ka = 6.4 x 10-14 O Acid D, Ka = 3.9 x 10-7 O Acid C, Ka = 4.2 x 10-5
Which of the following acids is the STRONGEST? The acid is followed by its K a value. HC 2H 3O 2, 1.8 × 10 -5 C 6H 5CO 2H, 6.3 × 10 -5 HBrO, 2.3 × 10 -9 HIO, 2.3 × 10 -11 HClO, 2.9 × 10 -8
Phosphoric acid is a triprotic acid (Kai 6.9 x 10-3, K, -6.2 x 10-8, and Ks -4.8 x 10-13). To find the pH of a buffer composed of H,PO (aq) and HPO? (aq), which pK, value should be used in the Henderson-Hasselbalch equation? O pK,i 2.16 。pK2 7.21 〇pKg = 12.32 Calculate the pH of a buffer solution obtained by Jissolving 17.0 g of KH2PO,(8) and 33.0 g of Na, HPO,(s) in water and then diluting to 1.00 L pH...
Calculate the concentrations of H,C204, HC204,2042, and I species in a 0.170 M oxalic acid solution (K., - 6.5 10, K,, -6.1 * 10-S). Report your answers to 2 significant figures. [H2C,04] O M [HC,04 ]- M [C,042-] - X 10 M Enter your answer in scientific notation. [H] - M Calculate the concentrations of H*, HCO3 , and Co;? in a 0.045 M H,CO, solution. K 1 of carbonic acid is 4.2 x 10-7; K 2 is 4.8 x...
Given the following conjugate acid-base pairs and their Ka values at 25°C, which of the following acid-base buffer systems might be found in the human body 1. HN O2/N O2- ; Ka = 4.00×10-4 2. C6H5O H/C6H5O - ; Ka = 1.30×10-10 3. H2PO41- / HPO42- ; Ka = 6.4x10-8 4. HCO3-/CO32- ; Ka = 4.7x10-11 5. CH2Br COOH/CH2Br COO- ; Ka = 2.00×10-3 6. HCN /CN - ; Ka = 6.20×10-10 7. H3PO4/H2PO42- ; Ka = 6.9x10-3 8. HCOO...