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A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas.No energy change is observed.which best describes sample
A )a mixture that is 50% oxygen by Mass
B) a compound that is 50% oxygen by Mass
C) a mixture in which 50% of the atoms are oxygen
D) a compound in which 50% of the atoms are oxygen

Respuesta :

akindeleot

Answer:

B) a compound that is 50% oxygen by Mass.

Explanation:

No energy change is observed.

Khasanf21

Answer:B) a compound that is 50% oxygen by Mass.

Explanation:I think it would be b

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