CH-981
Concentration
Chemistry · Secondary 3 · Medium · Concentration
A student dissolves 53 g of sodium carbonate, Na
y
2CO
3
, in water to make 250 cm³ of solution. What is the concentration of this solution in mol dm⁻³? (Relative formula mass of Na
y
2CO
3
= 106.)
y
2CO
3
, in water to make 250 cm³ of solution. What is the concentration of this solution in mol dm⁻³? (Relative formula mass of Na
y
2CO
3
= 106.)
- 0.25 mol dm⁻³
- 0.50 mol dm⁻³
- 2.0 mol dm⁻³
- 4.0 mol dm⁻³
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