Indicate which solution in each pair has the lower pH. Your response should be a four letter "word". The first letter should be either a or b, the second letter either c or d, and so forth. For example, the word aceg would be used to indicate that the first member of each pair has the lower pH.
a) 0.1 M HClO4 or b) 0.2 M HClO4
c) 0.1 M NaClO or d) 0.2 M NaClO
e) 0.1 M HF or f) 0.1 M HNO2
g) 0.1 M NaOH or h) pure water