Which of the following is the best description of a chemical reaction

1 answer:

6 0

When your substance either; change color, start to smell, explode, form bubbles, precipitate, and/or get hotter or colder.

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Eddi Din [679]

Empirical formula: MoO3

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MariettaO [177]

The answer would be D

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Veseljchak [2.6K]

It would be 4.2, hope this helps.

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Kisachek [45]

What is the percent by mass of sodium in Na2SO4? total mass of element in compound molar mass of compound Use %Element x 100

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Vedmedyk [2.9K]

No because its not the proper mass.

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