CH-1878
Concentration
Chemistry · Secondary 4 · Easy · Concentration
A 1.20 g sample of sodium chloride is dissolved in water to make 250 cm³ of solution. What is the concentration of this solution in mol/dm³? of NaCl = 58.5.
- 0.020 mol/dm³
- 0.047 mol/dm³
- 0.082 mol/dm³
- 0.21 mol/dm³
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