Answer to Question #145994 in General Chemistry for Loz

Question #145994
A solution is made by mixing 500.0ml of 0.12M NaOH soulution with 500mL of 0.1M Mg(NO3)2

Ksp for Mg =1.8 x10^-11
Write down the value of the ionic product quotient Qsp
1
Expert's answer
2020-11-23T06:58:22-0500

2NaOH+Mg(NO3)2=2NaNO3+Mg(OH)2

0.5 x 0.12 = 0.06 mol of NaOH

0.5 x 0.1 = 0.05 mol of Mg(NO3)2.

0.06/2 =0.03

0.05 - 0.03 = 0.02 mol of Mg(NO3)2


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