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mrs_skeptik [129]
3 years ago
8

Protects the eyes from flying objects or chemical splashes

Chemistry
1 answer:
Bogdan [553]3 years ago
5 0

Answer:

Goggles

Explanation:

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A 2.00-g sample of a large biomolecule was dissolved in 15.0 g carbon tetrachloride. the boiling point of this solution was dete
Katarina [22]
We will use boiling point formula:

ΔT = i Kb m 

when ΔT is the temperature change from the pure solvent's boiling point to the boiling point of the solution = 77.85 °C - 76.5 °C = 1.35

and Kb is the boiling point constant =5.03

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so by substitution, we can get the molality:

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when molality = moles / mass  Kg

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∴ moles = 0.00405 moles

∴ The molar mass = mass / moles
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