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Lesechka [4]
2 years ago
13

Help? The question is down below.

Chemistry
2 answers:
Ne4ueva [31]2 years ago
7 0
I believe first one is T. The next one atoms are composed of smaller particles of matter so I think T. The third one is T. The fourth is T. The fifth might be false. And lastly atom is a small part of matter so false maybe. If that makes sense
Murrr4er [49]2 years ago
6 0
The first three are T I don’t know about the next two and the last one is T
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Calculate the new boiling point of a solution if 10.00 g of a non-ionizing compound (C3H5(OH)3) is dissolved in 90.00 g of H2O.
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Answer:

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Explanation:

Formula for elevation of boiling point is:

ΔT = Kb . m . i

where ΔT means Boiling T° of solution - Boiling T° of pure solvent

Our solute is a non ionizing compound.

i = 1, because it is a non ionizing compound. i, indicates the ions dissolved in solution.

m = molality (moles of solute dissolved in 1 kg of solvent)

90 g of solvent = 0.09 kg of solvent

We convert mass of solute to moles (by the molar mass):

10 g . 1 mol /92.09 g = 0.108 moles

m = 0.108 mol /0.09 kg = 1.21 m

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Boiling T° of solution = 0.51 °C/m . 1.21 m . 1 + 100°C

Boiling T° of solution = 100.6

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