2. Heating zinc sulfide in the presence of oxygen yields the following: 2ZnS + 302- _Zno+ Soz a 11 172 mol of ZnS is heated in the presence of 45.6g of Oz, which is the limiting reactant? (Balance the equation first b. How many grams of excess reactant remain?
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Answer:
If there are 2 or more element in a subtanceb then it can be defined as compound so i think it is a compound