Approximately how many grams of monosodium succinate (FW = 140 g/mol; succinic acid pK2=5.64) and disodium succinate (FW = 162 g/mol) must be added to 1L of water to produce a solution with a pH 5.28 and a total solute concentration of 100 mM. (Answer in grams monosodium succinate, grams disodium succinate).
a) 9.7, 4.9
b) 1.1, 14.9
c) 11.3, 4.2
d) 4.9, 9.7
e) 14.9, 1.1