Percent yield=Actual yieldTheoretical yield100% Given: Mass of 4= 89.378 g Mass of Cu collected = 26.369 g The molar mass of 4 can be calculated as follows: Molar mass of 4=atomic mass of Cu+atomic mass of S+4(atomic mass of O) =63.55+32.07+416.00 =63.55+32.07+64.00 =159.62g/molThe molar mass of Cu is 63.55 g/mol.
Percent yield=Actual yieldTheoretical yield100% Given: Mass of 4= 89.378 g Mass of Cu collected = 26.369 g The molar mass of 4 can be calculated as follows: Molar mass of 4=atomic mass of Cu+atomic mass of S+4(atomic mass of O) =63.55+32.07+416.00 =63.55+32.07+64.00 =159.62g/molThe molar mass of Cu is 63.55 g/mol.