A 0.1 m solution of which salt is the most basic? (a) nano3 (b) naclo4 (c) nahso4 (d) nahco

Answer is: d) NaHCO₃ - sodium hydrogen carbonate or s odium bicarbonate.

It is because other salt are made in reaction between strong base and strong acid and sodium hydrogen carbonate is made from strong base (sodium hydroxide) and weak acid (carbonic acid).

Sodium bicarbonate is an aqueous solution is used for cases of acidosis.