TitrationLab

🧪 TitrationLab — drag the buret, find the cliff

Step 1 of 5 · turn the buret slowly

strong acid · strong base

V 0.0 mL

pH 1.00

V_titrant0.0 mL

analyte (in beaker)25.0 mL · 0.100 M HCl

titrant (from buret)0.100 M NaOH

moles H⁺ remaining2.500 mmol

moles OH⁻ added0.000 mmol

V at equivalence25.0 mL

pH at equivalence7.00

step 1 · 5

Drag the buret slider slowly. Watch the pH barely budge at first — you're in the buffer region (or just dumping base into excess acid).

strong acid + strong base:
net H⁺ = C_aV_a − C_bV_b
pH = −log₁₀([H⁺])
at equivalence: only water → pH = 7