Ion Effects

Question 1

What is the strategy of predicting pH of salt solutions

Answer 1

• separate salt into anion and cation
• determine acid base properties of the ions (see if acid or base, strong or weak
• if both neutral solution neutral (pH 7)
• if one ion neutral, acid base properties are determined by other ion
• if one is acidic and the other basic, acidity is determined by if ka or kb is larger
• ka>kb acidic and vice versa