Results TablepHpOH[OH] mol/L9.94.17.9x 10'51. Complete the ICE table to calculate the K for magnesium hydroxide.Remember that solids are NOT included in equilibrium constant expressions.Mg(OH)200 =Mg +2 OHinitialO mol/LO mol/Lchange+Smol /L+25 mol+Smol/L+25molequilibriumShow your K,p calculation:Ksp = [Mg2]CO-)2%3D= 2 5mol/L = 7.9x 10 5 mol/L14 x 105 mol/LKsp= 4x (14xloCOHJ2. Write your K,, value here: 2.5x10-133. Using the literature value of the Kp, calculate the pH value that correspondsto this Kap value.Ksp = 5.61 x 1o 12 4. Calculate the percent error (accuracy) of your experimental pH value. Youcan find details on calculating percent error on page 79.5. Using the literature value of the Kep, calculate the maximum solubility ofmagnesium hydroxide at 25°C. Report your answer in units of mol/L and mg/L(parts per million, ppm).6. How much less soluble would magnesium hydroxide be if you tried todissolve it in 2.5 x 10-3 mol/L sodium hydroxide, NaOH(ag), instead of purewater?

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Answered: pH pOH (OH] mol/L 9.9 4.1 7.9x 10'5 te…

pH pOH (OH] mol/L 9.9 4.1 7.9x 10'5 te the ICE table to calculate the Kp for magnesium ber that solids are NOT included in equilibrium constant e Mg(OH)z Mg( + 2 OH itial O mol/L O mol/L

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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Question

Results Table
pH
pOH
[OH] mol/L
9.9
4.1
7.9x 10'5
1. Complete the ICE table to calculate the K for magnesium hydroxide.
Remember that solids are NOT included in equilibrium constant expressions.
Mg(OH)200 =
Mg +
2 OH
initial
O mol/L
O mol/L
change
+Smol /L
+25 mol
+Smol/L
+25mol
equilibrium
Show your K,p calculation:
Ksp = [Mg2]CO-)2
%3D
= 2 5mol/L = 7.9x 10 5 mol/L
14 x 105 mol/L
Ksp= 4x (14xlo
COHJ
2. Write your K,, value here: 2.5x10-13
3. Using the literature value of the Kp, calculate the pH value that corresponds
to this Kap value.
Ksp = 5.61 x 1o 12

4. Calculate the percent error (accuracy) of your experimental pH value. You
can find details on calculating percent error on page 79.
5. Using the literature value of the Kep, calculate the maximum solubility of
magnesium hydroxide at 25°C. Report your answer in units of mol/L and mg/L
(parts per million, ppm).
6. How much less soluble would magnesium hydroxide be if you tried to
dissolve it in 2.5 x 10-3 mol/L sodium hydroxide, NaOH(ag), instead of pure
water?

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