CH-1945
Percentage yield and purity
Chemistry · Secondary 4 · Hard · Percentage yield and purity
When 6.0 g of magnesium is completely burned in oxygen, 9.9 g of magnesium oxide is formed.
(Relative atomic masses: Mg = 24, O = 16.)
What is the percentage yield of magnesium oxide?
(Relative atomic masses: Mg = 24, O = 16.)
What is the percentage yield of magnesium oxide?
- 75%
- 80%
- 90%
- 99%
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