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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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BrandyBraden BrandyBraden
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6 months ago
25.0 mL of a hydrofluoric acid solution of unknown concentration is titrated with 0.200 M NaOH.  After 20.0 mL of the base solution has been added, the pH in the titration flask is 3.00. What was the concentration of the original hydrofluoric acid solution. [Ka(HF) = 7.1 × 10–4]

▸ 0.39 M

▸ 0.27 M

▸ 0.16 M

▸ 2.4 M

▸ 0.23 M
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Chemistry

Chemistry


Edition: 11th
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olskeeolskee
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6 months ago
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BrandyBraden Author
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6 months ago
Just got PERFECT on my quiz
Goku935
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Yesterday
Helped a lot
my2redeyes
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2 hours ago
Good timing, thanks!
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