ans only A ,C and E

Discussion III Your professor gives you a bottle that contains a clear liquid. You are told that the liquid is a pure substance that is volatile, soluble in water, and might be an acid or a base. Design experiments to elucidate the following about this unknown sample. (a) Determine whether the substance in the sample is an acid or a base. ((Whose last number of ID number is 0 and 9 to discuss this question); (b) Suppose the substance is an acid. How would you determine whether it is a strong acid or a weak acid? ((Whose last number of ID number is 8 and 7 to discuss this question); (c) If the substance is a weak acid, how would you determine the value of Ka for the substance? (Whose last number of ID number is 6 and 5 to discuss this question); (d) Suppose the substance were a weak acid and that you are also given a solution of NaOH(aq) of known molarity. What procedure would you use to isolate a pure sample of the sodium salt of the substance? ((Whose last number of ID number is 4 and 3 to discuss this question); (e) Now suppose that the substance were a base rather than an acid. How would you adjust the procedures in parts (b) and (c) to determine if the substance were a strong or weak base, and, if weak, the value of Kb? ((Whose last number of ID number is 2 and 1 to discuss this question)