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laboratory Advanced

Buffer Preparation Calculator

Calculates conjugate base and weak acid molarities using the Henderson-Hasselbalch equation.

Interactive Calculator

Calculation Results

Component Result Value
Required Conjugate Base (M)
Required Weak Acid (M)

Instructions & Example Calculation

Instructions

Enter target buffer pH, acid pKa, and total target buffer concentration (M).

Example Calculation

pH 5.0 + pKa 4.76 + Concentration 0.1M = Salt 0.063M + Acid 0.037M.