CH-826
Concentration
Chemistry · Secondary 3 · Hard · Concentration
In an experiment, 25.0 cm³ of 0.200 mol dm⁻³ hydrochloric acid is completely neutralised by sodium hydroxide solution. The equation is
.
If 20.0 cm³ of NaOH is used, what is the concentration of the NaOH solution?
.
If 20.0 cm³ of NaOH is used, what is the concentration of the NaOH solution?
- 0.25 mol dm⁻³
- 0.20 mol dm⁻³
- 0.40 mol dm⁻³
- 0.10 mol dm⁻³
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