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Nezavi [6.7K]
3 years ago
9

Identify each number that is given is scientific notation

Chemistry
1 answer:
Neko [114]3 years ago
5 0

Answer:

Need more information.

Explanation:

I believe you either left out info or explained the question confusingly.

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How many grams is needed to make the following solution?
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c

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How long does it take for new fossil fuels to be created?
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Agata [3.3K]
In balancing reactions, the number of atoms on each side should be of equal number. It is the most important rule in reactions. Also, we should know the correct substances involved in the reaction. We do as follows:

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3 years ago
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how many ml of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 ml of ethanol ?
Aleks [24]
Volume percent<span> or </span>volume/volume percent<span> (v/v%) is used when preparing solutions of liquids. It will have units of volume of the smaller composition substance over the volume of the solution. We calculate as follows:

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V = 55.56 mL of the 22.5 % by volume ethanol solution is needed

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8 0
3 years ago
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