A. 6.023x1023
B. 3x1023
C. 3x1018
D. 1.5x1019
Calculate the hydrolysis constant of a salt of a weak acid(Ka=2x10-6) and of a weak base(Kb=5x10-7)
The copper metal is mainly extracted from its
The hydronium ion concentration of a solution is 1X10-4 M at 250 C.The hydroxide ion concentration in the same solution is