Help me please, i’m really confused.
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Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years
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Which is an example of a highly unstable isotope that is often used in fission reactions?
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