The pH of 1.5 M CH3COOH(aq) is 2.28. What is the value of Ka for
CH3COOH?
A) 2.7 x 10-6
B) 1.3 x 10-3
C) 0.037
D) 1.8 x 10-5
E) 1.8 x 10-6

Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?