**Problem Statement:**For the reaction below, \( K_c = 1.10 \times 10^{-8} \). What is the equilibrium concentration of \( \text{OH}^- \) if the reaction begins with 0.420 M \( \text{HONH}_2 \)?**Chemical Equation:**\[ \text{HONH}_2 \, (\text{aq}) + \text{H}_2\text{O} \, (\text{l}) \rightleftharpoons \text{HONH}_3^+ \, (\text{aq}) + \text{OH}^- \, (\text{aq}) \]**Explanation:**This problem involves calculating the equilibrium concentration of hydroxide ions (\( \text{OH}^- \)) for a given reaction mixture. The initial concentration of the reactant \( \text{HONH}_2 \) is provided, and the equilibrium constant (\( K_c \)) is given. The problem requires setting up an expression for \( K_c \) in terms of the concentrations of the products and reactants at equilibrium and solving for the unknown equilibrium concentration of \( \text{OH}^- \).

Reaction- HONH2 (aq) + H2O (l) ↔ HONH3+ (aq) + OH- (aq) Expression for Kc Kc = [OH-]…

Answered: For the reaction below, Kc = 1.10 x…

For the reaction below, Kc = 1.10 x 10-8. What is the equilibrium concentration of OH- if the reaction begins with 0.420 M HONH2? HONH2 (aq) + H2O (I) = HONH:* (aq) + OH- (aq)

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Consider the following reaction: HBrO (aq) + H2O (l) ⇋ H3O+ (aq) + BrO- (aq) If the value of Kc for…

Q: Write the equilibrium expression, Kc , for each of the following reactions.

A: Since we know that equilibrium expression is written as Kc = concentration of products /…

Q: A 100.0 mL sample of a 0.100 M solution of boric acid (H3BO3) is combined with a 100.0 mL sample of…

A: On addition of HCl concentration of H3O+ ions increases which causes the equilibrium to shift in…

Q: 44. Ammonia is a weak base that reacts with water according to this equation: NH3(aq) + H₂O(1) ⇒…

A: Answer:Le-chatalier's principle states that on changing any parameter of the system that is in…

Q: Fluoride anion and hydronium cation react to form hydrofluoric acid and water, like this: F (aq)+H₂O…

A: For a reversible reaction, after some point in time, the rate of the forward reaction is equal to…

Q: 4. What is the equilibrium 6.76 x 10-4 A B asıll constant (Kc) for the reaction between HF and NaOH…

A: Answer:Weak electrolyte dissociates partially on adding in water. HF is a weak electrolyte, so, it…

Q: Identify the proper equilibrium constant expression of the following reactions: a) N2(g) + O2(g) ⇌…

A: we have to write the expression of equilibrium constant, K for the given reactions

Q: A monoprotic weak acid, HA, dissociates in water according to the reaction HA(aq) + H₂O(1) H3O+ (aq)…

A: Equilibrium constant K, for a reaction is defined as the product of the molar concentrations of the…

Q: Calculate the equilibrium concentration of NO2 given [O2]eq = 0.060M, [H2O]eq = 0.0478M, and [NH3]eq…

A: Reversible reactions proceeding inside containers after reaching a specified stage becomes stagnant.…

Q: The following reaction has a Keq = 6.3 × 10–38. 3Fe(OH)3 (s) ⇌ Fe3+(aq) + 3OH3–(aq) Use this…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Suppose 0.125 mol of SCN-(aq) is added to a 1.00 L beaker containing an unknown concentration of…

Q: 24×10³ E) 0.100 9) At 200°C, the equilibrium constant for the reaction below is 2.40 x10³. 2NO (g)…

A: Equilibrium Partial Pressure:- The partial pressure is a gaseous property pertaining to the force…

Q: Zn(OH)₂ (s) = 2n₁²³(aq) + 2OH(aq) 2+

A: Answer:According to Le-chatalier's principle, on changing any parameter of the system that is in…

Q: What is the equilibrium expression for the following reaction? CH4(g) + 2O2(g) ⇌ CO2(g) + 2H2O(g)

Q: The fluoride ion, F, reacts with water as a weak base: F- (aq) + H₂O(l) HF (aq) + OH-(ag), with…

A: We will construct the ICE table and using the ICE table, we will construct the equation for Keq. And…

Q: What is the numerical value of Keq is the equilibrium concentrations are as follows? [A] = 0.45 M,…

A: The given balanced chemical equilibrium reaction i,sp;chemical equilibrium reaction i s3 A (aq )2 B…

Q: Part B What is the pH of a solution of 0.300 mol L-1 K,HPO4, potassium hydrogen phosphate? Express…

Q: An aqueous solution at equilibrium has the following concentrations: 0.045 M HCN(aq), 0,085 M…

A: Equilibrium constant is defined as the ratio of concentration of products to the concentration of…

Q: For the reaction below, Kc = 1.10 × 10-8. Note Kc is sometimes called K. What is the equilibrium…

A: Equilibrium reaction: HONH2(aq)+H2O(l) <=> HONH3+(aq)+ OH-(aq)Kc = 1.10 × 10-8Given: Initial…

Q: 13. At a constant temperature, a solution of acetic acid has the concentrations at equilibrium…

Q: The pH of a 7.5 x10-3 M NaOH solution is:

Q: Hi, Write an equilibrium expression for the chemical equation involving one or more solid or liquid…

A: For any given reaction the equilibrium constant expression can be written as where the…

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A: We are given the following reaction: (CH3)3N (aq) + H2O(l) H(CH3)3N+ (aq) + OH-(aq)

Q: Given the two reactions 1. H₂S(aq) = HS (aq) + H*(aq), K₁ = 9.46x10-8, and 2. HS¯(aq) = S²…

A: Answer:For any reaction, equilibrium constant is equal to the ratio of molar concentration of…

Q: What is the equilibrium expression for the following reaction? 2A(aq) + 3B(aq) ⇌ C(s)

A: Given reaction is, 2A(aq) + 3B(aq) ⇌ C(s)

Q: What is the equilibrium constant expression for the following reaction? (Pay careful attention to…

A: The equilibrium reaction given is, => 2 HCl (g) + Mg(OH)2 (s) ⇔ MgCl2 (aq) + 2 H2O (l)

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A: Given ReactionHF(aq) + H2O(l) → H3O+ (aq) +F-(aq)Equilibrium constant expression = To be determined

Q: For the reaction below, Kc = 1.10 x 10-8. What is the equilibrium %3D concentration of OH- if the…

A: The reaction given is HONH2 (aq) + H2O (l) ------> HONH3+ (aq) + OH- (aq)

Q: HOCI(aq) = H*(aq) + OC1¯(aq) The ionization of hypochlorous acid represented above has K =…

A: Calculate the value of K given equation.

Q: Gypsum (CaSO4·2H2O) is added to soil to enhance plant growth. It dissolves according to the…

Q: The following reaction is in equilibrium: NO2 (aq) + H20 (1) = HN02 (aq) + OH" (aq). Kh (NO,) = 2.2…

A: According to Le Chatelier's principle, when a system at equilibrium is disturbed, then the system…

Q: At a certain temperature the value of the equilibrium constant, Kc, is 0.8375 for the reaction. SiO2…

A: • Equilibrium constant for reverse reaction:For reverse reaction the value of the equilibrium…

Q: A student determines that an aqueous solution that contains 0.173 M sodium hypochlorite and 0.391 M…

A: Given:The concentration of Sodium hypochlorite = 0.173 M The concentration of hypochlorous acid…

Q: Consider the following equilibrium: _H2(g) + Br2(g) + 2HBr(g) At equilibrium, PH2 = 0.005 atm, PBr2…

A: Equilibrium constant is defined as the ratio of the product of the partial pressure of the product…

Q: Given the two reactions 1. H 2 S(aq)⇌HS − (aq)+H + (aq), K 1 = 9.29×10−8, and2. HS − (aq)⇌S 2−…

A: Rules : On adding 2 reactions there equilibrium constant gets multiplied And on subtracting 2…

Question

100%

**Problem Statement:**

For the reaction below, \( K_c = 1.10 \times 10^{-8} \). What is the equilibrium concentration of \( \text{OH}^- \) if the reaction begins with 0.420 M \( \text{HONH}_2 \)?

**Chemical Equation:**

\[ \text{HONH}_2 \, (\text{aq}) + \text{H}_2\text{O} \, (\text{l}) \rightleftharpoons \text{HONH}_3^+ \, (\text{aq}) + \text{OH}^- \, (\text{aq}) \]

**Explanation:**

This problem involves calculating the equilibrium concentration of hydroxide ions (\( \text{OH}^- \)) for a given reaction mixture. The initial concentration of the reactant \( \text{HONH}_2 \) is provided, and the equilibrium constant (\( K_c \)) is given. The problem requires setting up an expression for \( K_c \) in terms of the concentrations of the products and reactants at equilibrium and solving for the unknown equilibrium concentration of \( \text{OH}^- \).

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Suppose 0.125 mol of SCN-(aq) is added to a 1.00 L beaker containing an unknown concentration of Co2+(aq). These two ions react according to the following equation, with an equilibrium constant of 1.0 x 103.Co2+(aq) + 4 SCN-(aq) ⇌⇌ Co(SCN)42-(aq)If the equilibrium concentration of Co(SCN)42- is measured to be 6.3 x 10-3 mol L-1, what was the initial concentration of Co2+(aq)?
A1.
For the following reaction and its equilibrium constant, determine whether the position of equilibrium lies towards reactants, towards products, or somewhere reasonably close to the middle (intermediate). NH3(aq) + HBrO(aq) ⇒ NH4*(aq) + BrO (aq) K = 5.0
Consider the following equilibrium: BaSO4 (s) Ba2+ (aq) + SO42 (aq); AH > 0 In which direction will the equilibrium shift (choose from: left, right, no effect) if: We add H2SO4, the equilibrium will shift to shift to equilibrium will shift to A We add heat, the equilibrium will A/ We add He(g), the Α
a) Balance the following equation and write it below: Fe (s) + Mg3(PO,), (aq) → Fe;(P 0,), (aq) + Mg(s) b) If you added 134.2 grams of Iron to an excess of Mg,(PO,)2, how many moles of Iron have you added? c) Assuming the reaction is reversible, in which direction would the equilibrium shift if Fe was removed from the solution (left, right, or no change?) d) What type of reaction is this?
Consider the below equilibrium for acid HA at 25 °C. Calculate the K, of the acid if a solution is created by adding HA to water to produce an initial [HA] = 0.40 M and, after reaching equilibrium, [H3O*] = 7.21 x 10-6 M. %3D HA (aq) + H2O (1) Z A- (aq) + H30* (aq) 1.15 x 10-6 1.30 x 10-10 2.69 x 10-3 5.20 x 10-11 O 7.21 x 10-6
Fluoride anion and hydronium cation react to form hydrofluoric acid and water, like this: F (aq) + H₂O (aq)-HF (aq)+H₂O(l) At a certain temperature, a chemist finds that a 4.2 L reaction vessel containing an aqueous solution of fluoride anion, hydronium cation, hydrofluoric acid, and water at equilibrium has the following composition: compound F amount 0447 H,O HF HL₂0 Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. 0.287 3.79 E 597, D.P * 2
Write the equilibrium constant expression, K, for the following reaction taking place in dilute aqueous solution. HF (aq) + OH- (aq)F- (aq) + H2O (l) K =
You are on a new planet and discover a substance, Z2O that undergoes autoionization just like water on Earth. Z2O + Z2O ⇌ Z3O+ + OZ– Through a series of experiments, you determine the equilibrium constant (Kx) for this autoionization reaction at various temperatures. The value of Keq at 25.1ºC is 6.6 x 10-13. What is the pZ of the pure substance at this temperature? (pZ = -log(Z3O+) Report your answer to the hundreths place.
Write the equilibrium expression for the following reaction: Hg2“(aq) + 2CI (aq) = HgCl,(s) K- ( Prev
Complete the equilibrium reactions which are pertinent to an aqueous solution of Ag, CO,. Physical states are optional. dissociation of A£CO3: Ag,CO,(s) = dissociation of H,CO3: H,CO, (aq) + H,O(1) = dissociation of HCO,: HCO, (aq) + H,0(1) = dissociation of H,O: 2H,O(1) =
Write the equilibrium constant expression for this reaction: 2 H* (aq) + C₂0 (aq) H₂C₂O4(aq) X S