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Natalija [7]
3 years ago
15

Casey is completing an experiment that requires 300 mL of potassium chloride (KCl) at a concentration of 0.2 M. But Casey's lab

only stores potassium chloride at concentrations of 0.1 M and 0.5 M. How much 0.1 M KCl will Casey have to mix with 0.5 M KCl to make 300 mL of 0.2 M KCl?
Mathematics
1 answer:
gulaghasi [49]3 years ago
3 0
What you first need to do is make an equation. Then plug that equation into photomath and you get your answer


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Please help me I am its in the pic
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Answers:

1. gh = -21

2. g^2 - h = 46

3. g + h^2 = 2

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Step-by-step explanation:

1. -7 x 3 = -21

2. -7^2 = - 49

-49 + 3 = -46

3. 3^2 = 9

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Therefore, the answer 102 is correct.

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Answer:

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Step-by-step explanation:

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What is probability? Can you give an example?
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Answer:

Step-by-step explanation:

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