CH-915
Concentration
Chemistry · Secondary 3 · Easy · Concentration
A student prepares 250 cm³ of aqueous ammonia solution with concentration 0.200 mol/dm³. How many moles of ammonia, NH₃, are present in this solution?
- 0.0050 mol
- 0.020 mol
- 0.050 mol
- 0.500 mol
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