(a) Compare the masses of potassium hydrogen phthalate (204.22 g/mol), potassium hydrogen iodate (389.91 g/mol), and benzoic acid (122.12 g/mol) needed for a 30.00 mL standardization of 0.0400 M NaOH.
(b) What would be the relative standard deviation in the molar concentration of the base if the standarddeviation in the measurement of mass in (a) is 0.002 g and this uncertainty limits the precision of the calculation?
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