Apply the law of conservation of the mass to this reaction.?

E

Esme

New member
BEFOR BEING ADDED TOGETHER -COPPER's mass was- 34.9g SULFUR's- mass was - 34.36g
when they were in the test tube the mass was 8.47 AFTER THEY WERE BURN-- mass was 8.46
PLZ HELP???
that is what my problem is asking to apply the law of conservation of mass to this reacion(copper + sulfur)
 
You need to clarify what you are looking for...your question is just simple a lot of data but you didn't specify what value you are trying to calculate.
 
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