44.0 mL \rm mL of 0.150 M M Na 2 SO 4 \rm Na_2SO_4 and 25.0 mL \rm mL of 0.160 M M KCl

M Na + M_{\rm Na^+}, M SO 4 2− M_{\rm {SO_4}^{2-}}, M K + M_{\rm K^+}, M Cl − =????

You don't have a question unless it's somewhere embedded in all that gibberish.