Mass/mole/volume percent API

Computes mass, mole, or volume percent of a component in a mixture from matching-unit amounts, returning the percent, fraction and remainder. Answers 'What mass percent is 25 g of a 200 g mixture?', 'mole percent of one component'.

Price$0.02per request

MethodPOST

Route/v1/chemistry/percent

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

chemistrypercentmass-percentmole-percentvolume-percentcompositionmixturefraction

API URLhttps://x402.hexl.dev/v1/chemistry/percent

Integration docs

Example request

{
  "componentAmount": 25,
  "totalAmount": 200
}

Example response

{
  "kind": "mass",
  "percent": 12.5,
  "fraction": 0.125,
  "remainderPercent": 87.5
}

Input schema

{
  "type": "object",
  "required": [
    "componentAmount",
    "totalAmount"
  ],
  "properties": {
    "componentAmount": {
      "type": "number",
      "examples": [
        25
      ]
    },
    "totalAmount": {
      "type": "number",
      "examples": [
        200
      ]
    },
    "kind": {
      "type": "string",
      "examples": [
        "mass",
        "mole",
        "volume"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}