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Andrei [34K]
2 years ago
11

I have a container of gas at a pressure of 2.4 atm and a temperature of 343 K with a moveable piston and a small opening that ha

s an initial volume of 36 liters. If I raise the pressure to 4.1 atm, decrease the temperature to 313 K, and measure the final volume to be 51 liters, what is the final number of moles present inside the container if the container held 3.7 moles to begin with? Give your answer in 2 decimals places.
Chemistry
1 answer:
mestny [16]2 years ago
7 0

Answer: RAWRR

Explanation:RAWRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

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What would be the total volume of the new solution when it is changed from 0.2 M to 0.04 M?
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The question is incomplete.

You need two additional data:

1) the original volume
2) what solution you added to change the volume.

This is a molarity problem, so remember molarity definition and formula:

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To give you the key to answer this kind of questions, supppose the original volumen was 1 ml and that you added only water (solvent).

The original solution was:

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Using the formula for molarity, M = n / V

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Change to ml ⇒ 0.05 l × 1000 ml / l = 50 ml.  This would be the answer for the hypothetical problem that I assumed for you.

I hope this gives you all the cues you need to answer similar problems about molarity.
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