CH-896

Titration calculations

Chemistry · Secondary 3 · Hard · Titration calculations

Tartaric acid, H₂T, reacts with sodium hydroxide according to the equation:

\text{H}_2\text{T} + 2\text{NaOH} \rightarrow \text{Na}_2\text{T} + 2\text{H}_2\text{O}

.

25.0 cm³ of a tartaric acid solution requires 20.0 cm³ of 0.10 mol/dm³ sodium hydroxide for complete neutralisation. What is the concentration of the tartaric acid?

0.040 mol/dm $^3$
0.020 mol/dm $^3$
0.080 mol/dm $^3$
0.0040 mol/dm $^3$

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