Which solution has the higher pH? Explain. (a) A 0.1M solution of an acid with Ka = 1 \times 10 - 4Ka=1×10−4 or one with Ka = 4 \times 10 - 5Ka=4×10−5 (b) A 0.1M solution of an acid with pKa = 3.0 or one with pKa = 3.5, (c) A 0.1M solution or a 0.01M solution of a weak acid, (d) A 0.1 M solution of a weak acid or a 0.1M solution of a strong acid, (e) A 0.1M solution of a weak acid or a 0.01M solution of a strong acid, (f) A solution of pOH 6.0 or one of pOH 8.0