There are two test tubes containing solution with the same concentration of (0.0

Question

There are two test tubes containing solution with the same concentration of (0.01 M) is the solution of sodium hydroxide (NaOH), while the second test tube comprising ammonia solution (NH4OH) Student has determined pH of both solution with pH-meter. Which solution has higher ph and why? During the conduct metric titration of the acetic acid and hydrochloric acid mixture with sodium hydroxide solution the following graph for conductance vs. titrant volume was prepared. v-1 v-2 the volumes of base which correspond to the end of titration of V-1 is the end point of titration V-2 is the end point of

Explanation / Answer

35) sodium hydroxide i.e NaOH will have higher pH because NaOH is the strong base, strong base conducts electricity than weak base.

36) V1 = neutralization of strong acid i.e HCl

Strong acid neutralize completely after that weak acid i. e acetic acid starts neurtalizing

V2 = neutalization of weak acid i.e acetic acid CH3COOH

After that conductance increases due to excess of OH- ions in case of titration with strong base.

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