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tester [92]
3 years ago
8

Cómo se expresan las concentraciones en una solución?​

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

yo no ablo espanol pero si ablo English

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A standard solution contained 0.8 mg/mL. A student took 2 mL of the standard solution and added 10 mL of water. What is the new/
galben [10]
To get the concentration of the second solution let us use the following formulae

C1V1=C2V2 where C1 is concentration of first solution and V1 is the volume of solution first solution. on the other hand C2 is the concentration of second solution and V2 is the volume of second solution.

therefore

0.8×2=(2+10)×C2
   1.6 =12×C2
1.6/12=C2
C2     = 0.1333mg/mL
7 0
3 years ago
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If gas pressure is held constant and the temperature is decreased, gas volume will _____
saw5 [17]

Answer:

Increase

Explanation:

If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.

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Europe and United States use geothermal power extensively.<br><br> True<br> False
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True

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7 0
3 years ago
Nvermind i messed u. thats not what i meant to outtb ycgdgc8ydsaox agdydac bc7w
jasenka [17]

Answer:

same

Explanation:

yes, I agree 100% and you are correct *applaud*

5 0
3 years ago
Groups of elements that are shiny but not lustrous, have a semi-conductive property, and are brittle are classified as?
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