CH-2034
Molar gas volume
Chemistry · Secondary 4 · Medium · Molar gas volume
An impure sample of magnesium carbonate has a mass of 2.50 g. It is reacted with excess hydrochloric acid and 560 cm³ of carbon dioxide is collected at room temperature and pressure.
Using the molar gas volume of 24 dm³, what is the percentage purity of the magnesium carbonate?
Using the molar gas volume of 24 dm³, what is the percentage purity of the magnesium carbonate?
- 72%
- 78%
- 84%
- 90%
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