Ratio of solubility of a salt MCN in a buffer of pH = 3, (Ka=10−3/3) and solubility in H2O is 2.
Ratio of solubility of a salt MCN in a buffer of pH = 4, (Ka=10−4/7) and solubility in H2O is 4.
Ratio of solubility of a salt MCN in a buffer of pH = 5, (Ka=10−5/8) and solubility in H2O is 3.
Ratio of solubility of AgCl in 0.1 M HCl and 0.2 M AgNO3 is 2.
Ratio of solubility of Al(OH)3 in 0.1 M HCl and 0.2 M NaOH is 8.