### Educational Exercise: Constructing the Ka Expression for a Weak Acid#### Objective:To construct the expression for the acid dissociation constant (Ka) for the weak acid, \( \text{NH}_4^+ \).#### Reaction:\[ \text{NH}_4^+ (\text{aq}) + \text{H}_2\text{O} (\text{l}) \rightleftharpoons \text{H}_3\text{O}^+ (\text{aq}) + \text{NH}_3 (\text{aq}) \]#### Instruction:Based on the definition of \( K_a \), drag the tiles to construct the expression for the given acid.#### Expression for \( K_a \):\[ K_a = \frac{\left[\text{H}_3\text{O}^+\right] \left[\text{NH}_3\right]}{\left[\text{NH}_4^+\right]} \]#### Available Tiles:- \([\text{H}_2\text{O}]\)- \([\text{H}_3\text{O}^+]\)- \([\text{OH}^-]\)- \([\text{NH}_4^+]\)- \([\text{NH}_3]\)- \([\text{NH}_2^-]\)- \(2[\text{H}_2\text{O}]\)- \(2[\text{H}_3\text{O}^+]\)- \(2[\text{OH}^-]\)- \(2[\text{NH}_4^+]\)- \(2[\text{NH}_3]\)- \(2[\text{NH}_2^-]\)- \([\text{H}_3\text{O}^+]^2\)- \([\text{OH}^-]^2\)- \([\text{NH}_4^+]^2\)- \([\text{NH}_3^2]\)- \([\text{NH}_2^-]^2\)#### Reset Button:A "RESET" button is available for reattempting the exercise.

Dissociation constant for acid, ka, is defined as ratio of product of concentration of products to…

Construct the expression for Ka for the weak acid, NH,. NH, (aq) + H,0(I) = H;O*(aq) + NH(aq) Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ka 5 RESET [H,0] (H,O') [OH] [NH,) [NH] (NH,1 2(H,O] 2[H,0°] 2[OH] 2[NH,'] 2[NH,] 2[NH;] [H,O°F [OH [NH,P (NH,F [NH; P

Construct the expression for Ka for the weak acid, NH,. NH, (aq) + H,0(I) = H;O*(aq) + NH(aq) Based on the definition of Ka, drag the tiles to construct the expression for the given acid. Ka 5 RESET [H,0] (H,O') [OH] [NH,) [NH] (NH,1 2(H,O] 2[H,0°] 2[OH] 2[NH,'] 2[NH,] 2[NH;] [H,O°F [OH [NH,P (NH,F [NH; P

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...

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