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Calculate the concentration of the lactate ion in a solution that is 0.100 mm in lactic acid ( ch3ch(oh)coohch3ch(oh)cooh , pkapka = 3.86) and 0.080 mm in hclhcl .
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May 9, 2023
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Calculate the concentration of the lactate ion in a solution that is 0.100 mm in lactic acid ( ch3ch(oh)coohch3ch(oh)cooh , pkapka = 3.86) and 0.080 mm in hclhcl .
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Aarti Oza
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Lactic acid β H+ + Lactate
pKa = 3.86
Ka = 1.38 x 10^-4 would be equal to [H+] [lactate] / [lactic acid]
HCl β H+ + Cl-
[H+] = 0.08
Lactic acid = 0.10 M
1.38 x10^-4 would be equal to 0.08 [Lactate] / 0.10
Lactate = 0.10(1.38 x 10^-4/ 0.08
Lactate = 1.73 x 10^-4
Smally
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May 15, 2023
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Smally
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