Why is charcoal a limited drawing medium?

What information does a complete ionic equation give that the balanced equation doesn’t show?

Calculate the concentration of all species in a 0.165 m solution of h2co3.

What sources of error may have contributed to the percent yield not being 100 percent? think about things that may have led to inaccurate measurements or where mass of the product could have been lost if this experiment was conducted in a physical laboratory.