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olchik [2.2K]
4 years ago
9

If you were asked to convert 25 kg to the unit mg, which of the following would be the first fraction used in the conversion?

Chemistry
1 answer:
Rufina [12.5K]4 years ago
7 0
To convert the unit kg to mg, the result needs to be written in scientific notation. And 1 kg = 10^6 mg. So the answer is 2.5*10^7 mg.
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Explanation:

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valentinak56 [21]

The number of moles of oxygen required to generate 28 moles of water from the reaction is 14 moles

<h3>Balanced equation </h3>

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<h3>How to determine the mole of oxygen needed </h3>

From the balanced equation above,

2 moles of water were obtained from 1 mole of oxygen

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Thus, 14 moles of oxygen are needed for the reaction

Learn more about stoichiometry:

brainly.com/question/14735801

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