0.1 M NaCl \mathrm{0.1~ M~ NaCl}0.1 M NaCl
0.1 M HCl \mathrm{0.1~ M~ HCl}0.1 M HCl
0.1 M Na2CO3 \mathrm{0.1~ M~ Na_2CO_3}0.1 M Na2CO3
0.1 M NH4Cl \mathrm{0.1~ M~ NH_4Cl}0.1 M NH4Cl
