CH-466
Chromatography and Rf values
Chemistry · Secondary 3 · Medium · Chromatography and Rf values
A solution contains sodium ions and calcium ions. Ion chromatography shows that the relative intensity of the sodium peak is twice that of the calcium peak. If the concentration of calcium ions is 0.010 mol/dm³, what is the concentration of sodium ions?
- 0.0050 mol/dm³
- 0.010 mol/dm³
- 0.015 mol/dm³
- 0.020 mol/dm³
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