The Monoprotic Weak Acid-Strong Base Curve

The Monoprotic Weak Acid-Strong Base Curve 

The complete monoprotic H equation (3-1) can be adjusted to express the H at points during titration if we use the following terms  

Ca = analytical concentration of remaining acid Q = analytical concentration of conjugate base, which is also the concentration of base added, in the new volume C = Ca -f Cj, 

Each of these must be calculated at the new volume at each point during titration. Thus, the volume is a concealed variable in these C terms. In equation (3-1), with Ca = C — Cj, 

It is convenient to plot a titration curve against the fraction t of titrant added taking the equivalence as 100 %. Solve for C and divide by C to get the t fraction  

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