Respuesta :
55.2 g of CaO is formed when 98.60 g CaCO3 decompose.
What is decomposition?
Decomposition is a type of reaction in which a specie is broken down to form new species. The equation of this reaction is; CaCO3 ----> CaO + CO2
Number of moles of CaCO3 = 98.60 g/100 g/mol = 0.986 moles
Since the reaction is 1:1:1, then 0.986 moles of CaO is formed.
Hence, mass of CaO formed = 0.986 moles × 56 g/mol = 55.2 g
55.2 g of CaO is formed when 98.60 g CaCO3 decompose.
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