determine how many moles you expected.
divide yield by expectation
What is the percentage yield if 110.6 g of malachite are formed when 1.5 moles of copper sulfate reacts with an excess of sodium carbonate?
3 answers
But how would you find the expectation?
CuSO4 + Na2CO3 ==> CuCO3 + Na2SO4
1.5 mols CuSO4 will produce 1.5 moles of CuCO3 theoretically and 1.5 mols = 1.5 x 123.5 = 185 g CuCO3. This is the expected yield at 100%.
% yield = (actual yield/expected yield)*100 = (110.6/185)*100 = ?
1.5 mols CuSO4 will produce 1.5 moles of CuCO3 theoretically and 1.5 mols = 1.5 x 123.5 = 185 g CuCO3. This is the expected yield at 100%.
% yield = (actual yield/expected yield)*100 = (110.6/185)*100 = ?