CH-932
Concentration
Chemistry · Secondary 3 · Hard · Concentration
25.0 cm³ of 0.200 mol dm⁻³ sodium hydroxide is completely neutralised by hydrochloric acid according to the equation . What is the concentration of the hydrochloric acid if 20.0 cm³ is required?
- 0.250 mol dm⁻³
- 0.200 mol dm⁻³
- 0.400 mol dm⁻³
- 0.125 mol dm⁻³
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