{
  "illustrative": true,
  "article": "/manufacturing/chemical-continuous-process-balance/",
  "assumptions": [
    "Nonreactive mixing with no unmetered loss; all quantities are net mass kg.",
    "No residence-time model or precise source percentage per tank is claimed.",
    "A nonzero residual is unexplained, not automatically a leak."
  ],
  "inputKg": [
    700,
    300
  ],
  "productKg": 900,
  "transitionKg": 20,
  "inventoryIncreaseKg": 80,
  "alternativeInventoryIncreaseKg": 70,
  "tanks": [
    {
      "id": "T1",
      "kg": 500
    },
    {
      "id": "T2",
      "kg": 400
    }
  ],
  "expected": {
    "residualKg": 0,
    "alternativeResidualKg": 10
  }
}