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Determine the ph of an hf solution of each of the following concentrations? determine the ph of an hf solution of each of the following concentrations? 2. 5.10×10^−2 m
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Feb 23, 2018
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Determine the ph of an hf solution of each of the following concentrations? determine the ph of an hf solution of each of the following concentrations? 2. 5.10×10^−2 m
Chemistry
high-school
Wilson Vargas
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Answer:
previous answer is wrong
Step-by-step explanation:
Younes
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Feb 25, 2018
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Younes
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the formula for the pH = -log [H+]
where [H+] is the molar concentration of H+ in the HF solution.
so HF --> H+ + F-
[H+] = 5.10 x 10^-2 mol HF ( 1 mol H+ / 1 mol HF)
[H+] = 5.10 x 10^-2 M H+
pH = -log ( 5.10 x 10^-2 )
pH = 1.29
Andrew Coleson
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Mar 1, 2018
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Andrew Coleson
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