Asked by john
a 30.0ml sample of diprotic acid is titrated with .260M KOH. if 68.5ml is required to reach the equivalence point, what is the concentration of the acid?
Answers
Answered by
DrBob222
H2A + 2KOH ==> K2A + 2H2O
moles KOH = M x L = ?
Convert moles KOH to moles H2A using the coefficients in the balanced equation. moles H2A = 1/2 mole KOH.
Then M H2A = moles H2A/L H2A. Solve for L and convert to mL.
moles KOH = M x L = ?
Convert moles KOH to moles H2A using the coefficients in the balanced equation. moles H2A = 1/2 mole KOH.
Then M H2A = moles H2A/L H2A. Solve for L and convert to mL.
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