CH-903
Titration calculations
Chemistry · Secondary 3 · Hard · Titration calculations
Aqueous sodium hydroxide of concentration 0.200 mol/dm³ completely neutralises 25.0 cm³ of hydrochloric acid. 20.0 cm³ of the alkali is used. What is the concentration of the acid? (NaOH + HCl → NaCl + H₂O)
- 0.080 mol/dm³
- 0.16 mol/dm³
- 0.32 mol/dm³
- 0.40 mol/dm³
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