Question 3 (1 point) (Q3) Which of the following solution would have the highest pH? (Assume...
Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25 C. The acid is followed by its Ka value. HC102, 1.1 x 10-2 OHCHO2, 1.8 x 10-4 HC6H50, 1.3 * 10-10 O HNO2, 4.6 x 10-4 O HOCI, 2.9 x 10-8
Which of the following solutions would have the lowest pH? Assume that they are all 0.10 M in acid at 25∘C. The acid is followed by its Ka value. A. A) HF, 3.5 × 10-6 B. B) HCN, 4.9 × 10-10 C. C) HNO2, 4.6 × 10-5 D. D) HCHO2, 1.8 × 10-4 E. E) HClO2, 1.1 × 10-2 F. F) none of these
just trying to check my answer to see if it was correct :) Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25°C. The acid is followed by its ka value. a. HOCI, 2.9 108 Hoci H ou' HCH,O, 1.3 x 10-10 HNO2, 4.6 x 104 HCHO, 1.8 * 104 HCIO, 1.1 x 102
Question 8 Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25°C. The acid is followed by its K, value. O HOCI, 29 * 10-8 HC6H50, 1.3 * 10-10 o HNO2,4.6 104 HCHO2, 1.8 104 HCIO, 1.1x102 D Question 14 A few granules of manganese metal are placed in a solution of nickel(II) nitrate. Which of The following does not occur? o the manganese is oxidized to manganese ions...
Determine the [H3O*1 and pH of a 0.200 M formic acid (HCHO2) solution. The Ka of formic acid at 25 °C is 1.8 X 10. (1 point)
Assuming 0.1 M concentrations, arrange the following acids in order of increasing pH. benzoic acid, HC7H5O2, Ka ≡ 6.3 × 10−5 chlorous acid, HClO2, Ka ≡ 1.1 × 10−2 formic acid, HCHO2, Ka ≡ 1.8 × 10−4 hydrofluoric acid, HF, Ka ≡ 6.8 × 10−4
Which of the following 1.0 M solutions would have the lowest pH? Weak Base Weak Weink Ka Kb Acid HCN 4.9 x 10-10 HONH2 1.1 x 10-8 A) LINO3 HNO2 4.5 x 10-4 NH3 1.8 x 10-5 B) HONH3Br HIO 2.3 x 10-11 C6H5NH2 4.3 x 10-10 C) H2NNH3CIO4 HBrO 2.5 x 10-9 H2NNH2 1.3 x 10-6 D) Ca(Bro)2 CoH5COOH 6.3 x 10-5 C5H5N 1.7 x 10-9
Which of the following combinations would make a buffer with pH close to 3.0? HClO2 Ka = 1.1 × 10-2 NH3 Kb = 1.8 × 10-5 HNO2 Ka = 7.2 × 10-4 C5H5N Kb = 1.5 × 10-9 Equal volumes of 0.10 M NH4Cl and 0.10 M NH3 Equal volumes of 0.10 M HClO2 and 0.10 M NaClO2 Equal volumes of 0.10 M HNO2 and 0.10 M NaNO2 Equal volumes of 0.10 M HCl and 0.10 M NaCl Equal volumes...
What is the pH of a 0.043 M solution of nitrous acid, HNO2? Ka = 4.6 x 10-4
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