30-01-2017
Biology

contestada

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

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koalarules6 koalarules6

30-01-2017

the answer to this question is -1.

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