Few solid remained in the beaker after stirring with hcl

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How would the following observations influence the percent by weight of copper in the compound? Will the value be too large, too small, or not affected?

a.) Some solid remained in the beaker after stirring with HCl.

b.) You washed the filter paper with ketone, which caught on fire and the filter paper was scorched

c.) You did not add enough magnesium to dissolve the copper, thus resulting in bubbles of H2

Reference no: EM13167638

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