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2 years ago

10

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

1 answer:

Sergeeva-Olga [200]2 years ago

8 0

The answer to this question is -1.

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