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If 14.90 mL of 0.825 M KOH is required to titrate the unknown acid to the equivalence point, what is the concentration of the unknown acid?

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princessesther2011

Answer:

The concentration of the unknown acid is (12.2925 divided by the volume of the unknown acid in mL) and the unit is M (mole/liter)

Explanation:

CaVa/CbVb = Na/Nb

At equivalence point, Na = Nb

Therefore, CaVa = CbVb

Ca (concentration of unknown acid) = CbVb/Va

Va is concentration of unknown acid in mL

Cb (concentration of KOH) = 0.825M

Vb (volume of KOH) = 14.90mL

Ca = 14.90×0.825/Va = (12.2925/Va)M

okpalawalter8

The concentration of the unknown acid is mathematically given as

Ca = (12.2925/Va)M

What is the concentration of the unknown acid?

Question Parameter(s):

If 14.90 mL of 0.825 M KOH is required to titrate the unknown acid

Generally, the equation for the Concentration   is mathematically given as

CaVa/CbVb = Na/Nb

Therefore

CaVa = CbVb

Ca = CbVb/Va

Ca = 14.90×0.825/Va

Ca = (12.2925/Va)M

In conclusion, the concentration is

Ca = (12.2925/Va)M

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