Question

The table below shows the pH values of solution J to N. 

Solution	J	K	L	M	N
pH	5	13	2	10	7

Which solution 

1. contains the largest concentration of hydroxide ions? Explain. 
2. is likely to be a solution of ethanoic acid?

Answer 1

1. K
   It is a strong alkali which dissociate completely in water.
2. J
   It is a weak acid