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Reptile [31]
3 years ago
15

What is the percent copmosition of chromium in CrF3

Chemistry
1 answer:
zepelin [54]3 years ago
5 0
47.707% is the answer
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3 years ago
If a solution has a pOH of 8.71, what is the [H+]?
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Answer: 5.1\times 10^{-6}M

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

pH=-\log [H^+]

pH+pOH=14

Putting in the values:

pH=14-8.71=5.29

5.29=-log[H^+]

[H^+]=5.1\times 10^{-6}

Thus [H^+] is 5.1\times 10^{-6}M

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Dima020 [189]
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