{
  "version": "2026.05",
  "confidence": "classroom model",
  "strongAcids": ["HCl", "HBr", "HI", "HNO3", "HClO4", "HClO3", "H2SO4"],
  "strongBases": ["LiOH", "NaOH", "KOH", "RbOH", "CsOH", "Ca(OH)2", "Sr(OH)2", "Ba(OH)2"],
  "weakPairs": [
    { "acid": "CH3COOH", "base": "CH3COO-", "ka": 1.8e-5, "pKa": 4.74 },
    { "acid": "NH4+", "base": "NH3", "kb": 1.8e-5, "pKa": 9.25 },
    { "acid": "HCO3-", "base": "CO3^2-", "pKa": 10.33 }
  ],
  "assumptions": [
    "Activity coefficients are simplified for classroom use.",
    "Temperature defaults to about 25 C unless the Bench temperature has changed."
  ]
}