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Aneli [31]
3 years ago
8

I REALLY NEED HELP I WILL MARK YOU BRAINLIEST PLEASE HELP

Chemistry
1 answer:
Novay_Z [31]3 years ago
7 0
The 2s orbital does not have enough electrons
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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:

12.5 mL ethanol = .225 mL ethanol / 1 mL solution ( V )
V = 55.56 mL of the 22.5 % by volume ethanol solution is needed

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