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Kisachek [45]
3 years ago
7

Mixtures can be separated into their components by taking advantage of differences in the chemical properties of the components.

Why might this separation method be less convenient than taking advantage of differences in the physical properties of the components?
Chemistry
1 answer:
Sedaia [141]3 years ago
4 0
The method of separating mixtures by means of their differences in the chemical properties of the components is less convenient because these methods requires reactions therefore needs energy, increasing the costs for the process.
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The weight of the balloon is irrelevant because it is the gas that lifts it in the air. We are already given with the required volume, so we use this instead. The atomic weight of zinc is 65.38 g/mol. Assuming ideal gas behavior,

PV=nRT
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Then, we use this pressure and the volume to find the moles of zinc.

(1.44 atm)(475 mL+1 mL)(1 L/1000 mL) = n(0.0821 L·atm/mol·K)(21.5 + 273)
Solving for n,
<em>n = 0.02836 moles of zinc</em>
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