CH-773
Concentration
Chemistry · Secondary 3 · Medium · Concentration
A student prepares 250 cm³ of sodium chloride solution by dissolving 5.85 g of NaCl in water. (Ar: Na = 23, Cl = 35.5) What is the concentration of the solution in mol/dm³?
- 0.100 mol/dm³
- 0.234 mol/dm³
- 0.400 mol/dm³
- 0.684 mol/dm³
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