Litmus is a compound that changes color depending on the concentration of H+ and OH- present in a solution.  In .1 M HCl, litmus turns red.  In 0.1 M NaOH, litmus turns blue.  From this information, which of the following reactions describes the Litmus equilibrium? a. More info is needed to answer this question. b. blue litmus + OH^-1 (aq) ---> red litmus. c. blue litmus + H+ (aq) ---> red litmus.

The anion of a strong acid a. is a neutral ion b. is an acidic ion C. is a basic ion d. will react with HT to establish equilibrium е. will produce H" ions in water

Part A Find [H30]t at equilibrium of a 0.110 mol - L solution of a weak monoprotic acid (HA) with K. = 1.70x10-5 Use the "x is amal" assumption Express your answer to three significant figures. ? [H;O]† = mol - L1

If the equilibrium constant for the reaction below is equal to 1x10^-14. 2H2O(l) <-->H3O+(aq) + OH-(aq) what is the value of K for the reaction below? 2 H3O+(aq) + 2OH- <--> 4 H2O(l) a) 1x10^+14 b) 2x10^+14 c) 1x10^+28 d) 1x10^+7

Hydrofluoric acid and water react to form fluoride anion and hydronium cation, like this: HF (aq) + H₂O(1)→+F (aq) + H₂O (aq) At a certain temperature, a chemist finds that a 4.5 L reaction vessel containing an aqueous solution of hydrofluoric acid, water, fluoride anion, and hydronium cation at equilibrium has the following composition: amount 1.79 g 615. g 0.274 g 0.487 g Calculate the value of the equilibrium constant for this reaction. Round your answer to 2 significant digits. compound HF H₂O F H₂O* K = 0 0 x10 X Ś

4. Which of the following statements is true? A) In an acidic solution, the concentration of OH is less than H₂O In a basic solution, the concentration of OH is less than H,0 C) In a basic solution, the concentration of OH' is equal to H,O D) In an acidic solution, the concentration of H,O' is less than OH

Which of the options below correctly describes what happens when a small amount of strong base is added to a buffer solution consisting of the weak acid HA its conjugate base A-? Oa. The concentration of H* increases and the pOH decreases. Ob. The concentration of H* increases and the pOH remains the same. Oc. The concentration of Ht decreases and the pOH decreases. Od. The concentration of H* remains the same and the pOH remains the same. Oe. The concentration of H* remains the same and the pOH increases.