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BaLLatris [955]
3 years ago
6

If the number of moles of gas is doubled at constant temperature and volume, the pressure of the gas:__________

Chemistry
1 answer:
Vladimir79 [104]3 years ago
4 0

Answer:

answer is b

use pv=nRT

p directly proportional to moles(n)

p1/p2=n1/n2

p/p2=n/2n

p2=2p

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if an unknown sample solution is prepared by diluting 10.00 ml of the original solution to a total volume of 100.0 ml with deion
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The dilution factor of the unknown sample is 10. The dilution factor of a solution refers to the ratio of the final volume of the now diluted solution to the initial volume of the of the initial concentrated solution.

Mathematically;

The dilution factor is given by the formula;

Dilution factor = Final volume of the now diluted solution/ Initial volume of more concentrated solution

Final volume of the now diluted solution = 100.0 ml

Initial volume of more concentrated solution = 10.00 ml

Dilution factor = 100.0 ml/10.00 ml

Dilution factor =  10

Learn more: brainly.com/question/20113402

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2 years ago
An empty 25.00 mL volumetric flask has a mass of 20.550 g. When it is partially filled with metal pellets, the mass is 130.278 g
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3 years ago
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A 32.0-g sample of HF is dissolved in water to give 2.0 × 102 mL of solution. The concentration of the solution is:
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 The concentration of the  solution is  8 M


 <u><em>calculation</em></u>

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<em>  </em><em>step 1: find moles of HF</em>

<em>moles  of HF  =mass/molar mass</em>

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<em>Step 2:  convert  ml to L</em>

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