Three 15.0 mL acid samples - 0.50 M HA, 0.50M HB, and 0.50 M H2C - are all titra

Question

Three 15.0 mL acid samples - 0.50 M HA, 0.50M HB, and 0.50 M H2C - are all titrated with 0.100 M NaOH. HA is a weak acid, HB a strong acid, and H2C a diprotic acid.

Which statement is true of all three titrations?

Three 15.0 mL acid samples - 0.50 M HA, 0.50M HB, and 0.50 M H2C - are all titrated with 0.100 M NaOH. HA is a weak acid, HB a strong acid, and H2C a diprotic acid.

Which statement is true of all three titrations?

All three titrations have the same initial pH. All three titrations require the same volume of NaOH to reach the first equivalence point. All three titrations have the same final pH. All three titrations have the same pH at the first equivalence point.

Explanation / Answer

For the titration of wek acid HA, strong acid HB and diprotic acid H2C

True statements for the titrantions would be,

All three titrations require the same volume of NaOH to reach the first equivalence point.

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