Answer:
92.79%
Explanation:
The Molar mass :
Molar mass of CaC03 = (40 + 12 + (16*3)) = 100 g/mol
Molar mass of Ca0 = (40 + 16) = 56 g/mol
Theoretical yield :
20.4g CaCO3 * 56g Ca0 / 100g CaCO3
= (20.4 * 56)/100 = 11.424 CaO
The actual yield Given is : 10.6g Ca0
The percentage yield is given by :
% yield = Actual yield / theoretical yield
% yield = 10.6 g / 11.424 g * 100%
% yield = 0.9278711 * 100%
Percentage yield = 92.79%