1) What is the pH of a 0.246 M aqueous solution of sodium
acetate, NaCH3COO? This solution is acidic, basic or neutral?
2) The substance benzoic acid
(C6H5COOH) is a weak acid
(Ka = 6.3×10-5). What is the
pH of a 0.110 M aqueous solution of
sodium benzoate,
NaC6H5COO?
This solution is acidic, basic or neutral?
3) What is the pH of a 9.17×10-2 M
aqueous solution of ammonium nitrate,
NH4NO3? This solution is
acidic, basic or neutral?