Equilibrium in Aqueous Systems

Question 1

n = m/M

Answer 1

molL^-1 = gL^-1 / gmol^-1

Question 2

Complex ion

Answer 2

formed from cation of very insoluble salt. Its formation causes the concentration of metal cation to decrease, decreasing the concentration of the salt made from metal cation and increasing the solubility of this salt.

Question 3

What equation used to calculate the concentration of specific solutions in a mixture

Answer 3

CiVi = CfVf ——–> Cf = CiVi/Vf

Question 4

Ks > IP

Answer 4

dissolving occurs

Question 5

solubility product

Answer 5

The solubility product is a kind of equilibrium constant and its value depends on temperature

Question 6

Ks < IP

Answer 6

precipitation occurs

Question 7

Ks = IP

Answer 7

dynamic equilibrium is occurring.

Question 8

strong acids

Answer 8

HCl, HBr, HNO3, H2SO4

Question 9

strong bases

Answer 9

NaOH, KOH

Question 10

Weak acids

Answer 10

HF, CH3COOH, NH4+

Question 11

weak bases

Answer 11

NH3, CH3NH2, CH3COO-

Question 12

pH

Answer 12

a measure of the concentration of hydronium ions in solution