(a) Give a definition of a Lewis Acid and a definition of a Lewis Base. (b) Give two factors which help you identify a Hard Lewis Acid ionic species. (c) Give two factors which help you identify a Soft Lewis acid ionic species. Identify the acid and the base in each Lewis acid-base reaction. For each case give a brief explanation for your answer. (a) BH3+(CH3)2SH3B:S(CH3)2 Classify each of the follow species as Lewis acid or base; and as hard, soft, or borderline. For each case give a brief explanation of your