CH-1940
The mole
Chemistry · Secondary 4 · Medium · The mole
A student heats 5.00 g of calcium carbonate until it decomposes completely.
What mass of calcium oxide is formed? (: CaCO₃ = 100, CaO = 56)
What mass of calcium oxide is formed? (: CaCO₃ = 100, CaO = 56)
- 2.8 g
- 5.6 g
- 1.4 g
- 11.2 g
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