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The value of K, for hydrocyanic acid is 4.00x10-10 What is the value of Kh, for...
Use the References to access important values if needed for this question. K, for hydrocyanic acid, HCN, is 4.00x10-10 K, for phenol (a weak acid), C,H,OH, is 1.00×10-10. K, for hypochlorous acid, HCIO, is 3.50x10-8 What is the formula for the strongest conjugate base?
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A hydrocyanic acid buffer solution contains 0.84 M hydrocyanic acid (HCN) and 0.61 M of its conjugate base (CN). If a chemist adds 0.15 mol of nitric acid (HNO3), a strong acid, to 0.55 L of the buffer solution, what will be the final pH of the solution? (The pk of HCN is 9.21. Assume the volume of the added HNO3 is negligible.) 4.0
The value of K, for formic acid is 1.80x10-4. What is the value of Kb, for its conjugate base, HCOO“?
Compare the conjugate bases of these three acids. Acid 1: hydrocyanic acid , HCN Acid 2: sulfurous acid , H2SO3 Acid 3: hydrogen carbonate , HCO3- What is the formula for the strongest conjugate base ?
The substance ascorbic acid, HCH,06, is a weak acid (K = 8.0x10). What is the value of K, for its conjugate base, the C H20 The substance actie meid, 16, 140, is a weak asid (k = R0-103. Wat is de value of K, for is conjugune base, the C240, lem? ion? Kb =
Hydrogen sulfide has a pKa of 7.05. If hydrocyanic acid has a pKa of 9.21 and fluoroacetic acid has a pKa of 2.59, which one would act as a base in the presence of hydrogen sulfide instead of an acid? A. Does the acid react with the lower pKa or the base? B. Which of the two acids would act as a base in the presence of hydrogen sulfide and why? C. Of the three acids mentioned, which one would...
Given that K, for HCN is 6.2 x 10-10 at 25 °C, what is the value of Ky for CN- at 25 °C? Given that Kh for CH, NH, is 5.0 x 10-4 at 25 °C, what is the value of K, for CHNHĨ at 25 °C? Kg =
Write the K, expression for an aqueous solution of nitrous acid , HNO2 : Kg The value of K, for nitrous acid is 4.50x104. What is the value of Kb, for its conjugate base, NO2? Submit Answer K, for nitrous acid, HNO2, is 4.50x10-4. Kfor benzoic acid, CH3COOH, is 6.30x10-5. K, for phenol (a weak acid), CH,OH, is 1.00×10-10. What is the formula for the weakest conjugate base? Submit Answer
Write a net ionic equation to show that hydrocyanic acid behaves as a Brønsted-Lowry acid in water. BL BL acid BL base BL acid base Write a net ionic equation to show that ethylamine, C2H5NH2, behaves as a Bronsted-Lowry base in water. BL BL base BL acid BL base acid + H20 Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted-Lowry base in this net ionic equation. + CIO = HSO3 + HCIO H2SO3(aq) Brønsted-Lowry Brønsted-Lowry Brønsted-Lowry...
6. Write the equation that equates the Ka to Kh for a given weak acid and its conjugate base. 7. Write a plausible mass balance equation for N22SO3. 8. Write a plausible charge balance for the following reaction. (Hint: write the ionic (not net ionic) equation first) MnCl2 + 5FeCl3 + 4H20 + KCI KMnO45FeCl2 + 8HCI