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Nastasia [14]
3 years ago
12

I need help.connect now

Chemistry
2 answers:
Papessa [141]3 years ago
7 0
What do you need help with
olya-2409 [2.1K]3 years ago
4 0
And the help is.....?!
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When a gas changes back into a liquid, it is called _____. condensation vaporization sublimation the freezing point?
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100.0 mL of a 0.500 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the solution
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0.1 M

Explanation:

The following data were obtained from the question:

Initial volume (V1) = 100 mL

Initial concentration (C1) = 0.5 M

Final volume (V2) = 500 mL

Final concentration (C2) =?

Using the dilution formula C1V1 = C2V2, the new concentration of the solution can be obtained as follow:

C1V1 = C2V2

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50 = C2 × 500

Divide both side by 500

C2 = 50/500

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