CH-2000
Titration calculations
Chemistry · Secondary 4 · Hard · Titration calculations
A student titrates 25.0 cm³ of sodium carbonate solution with 0.200 mol/dm³ hydrochloric acid. The reaction is:
The average volume of acid used is 21.5 cm³. What is the concentration of the sodium carbonate solution?
The average volume of acid used is 21.5 cm³. What is the concentration of the sodium carbonate solution?
- 0.0430 mol/dm³
- 0.0860 mol/dm³
- 0.172 mol/dm³
- 0.258 mol/dm³
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