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According to the law of conservation of mass: One gram of potassium is mixed with four grams of oxygen. They undergo a chemical reaction. What is the mass of the product? (Choose only one answer) -1 -4
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According to the law of conservation of mass: One gram of potassium is mixed with four grams of oxygen. They undergo a chemical reaction. What is the mass of the product?

(Choose only one answer)
-1
-4
-5
-3

User Alpheus
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1 Answer

6 votes
the answer to this question   is -1. 
User Vlad Hilko
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