C because, its products is heavier than each of its reactants
Answer: 1.32
Explanation:
Given
85 gm of sulfur dioxide is present at STP
The molar mass of sulfur dioxide is
The number of moles of sulfur dioxide is
Answer:The copper chloride did not fully dissolve in water before performing the reaction.
The mass of the copper was not measured with the same accuracy.
Not all of the copper was collected in the filter.
Not enough time was allowed for all of the aluminum to react.
There were impurities in the aluminum.