7. A mixture of NaCl and CuCO3 was dissolved in water and the resulting slurry was filtered in to a

beaker. The beaker and the filter paper were dried and weighed.

Mass of container 54.658 g

Mass of container and mixture 56.869 g

Mass of filter paper 1.096 g

Mass of filter paper and residue 2.556 g

Mass of beaker 77.580 g

Mass of beaker and dried residue 78.840 g


Find Mass of mixture

Mass of NaCl

% (w/w) of NaCl

Mass of CuCO3

% (w/w) of CuCO3

and does it add up to 100%

I already turned in the assignment, but I want to know what I did wrong if I DID do anything wrong