Mastering Medical Chemistry

To determine the exact concentration of a sodium hydroxide solution by titrating it against an acid of accurately known concentration. (correct)

To prepare a 0.1 mol L- solution of Li oxalic acid.

To prepare a standard solution of sodium hydroxide directly from the solid.

To observe the stoichiometric equation for the titration reaction.

(COOH)2 + NaOH -> 2H2O + (COONa)2 (correct)

(COOH)2 + 2NaOH -> H2O + (COONa)

(COOH) + NaOH -> H2O + (COONa)

(COOH)2 + NaOH -> H2O + (COONa)

Sodium hydroxide is too expensive.

Sodium hydroxide is too reactive.

Sodium hydroxide is too toxic.

Sodium hydroxide is not a primary standard. (correct)