Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
What is the solubility of Mg(OH)2 at a pH of 12.30? (Keep Mg(OH)2 is 1.6 x 10^-13)
Expert Solution
Check Mark
Step 1: Calculations for hydroxide ion concentration

Concentration of OH- is calculated as follows,

table row cell pH plus pOH equals 14. Thus comma pOH equals 14   minus pH end cell row blank row cell pOH equals 14   minus 12.30 equals 1.70 end cell row blank row cell pOH equals negative log open square brackets OH to the power of minus close square brackets end cell row blank row cell open square brackets OH to the power of minus close square brackets equals 10 to the power of negative 1.70 end exponent equals 0.01995 space straight M end cell end table

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