← The evidence ledger
Evidence row 2202119
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://chemistry-calc.x402tookit.com/limiting-reagent
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- fb9329a75696d3e60eaac30dabcb9b002aec6e87e145e24d0e7c4561b830e319
- Leaf
- 0xb8164e95bbf1ac10dc9c96076dcd7a9e4efcd8543ab02127ffb349948148e1e2
What was observed
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],
"description": "Limiting reagent, theoretical yield and leftover excess for a balanced reaction from reactant masses; optional percent yield.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"product": "H2O:2",
"reactants": "H2:2:4;O2:1:16"
},
"type": "http"
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"output": {
"example": {
"asOf": "2026-10-11T08:45:39.716Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"limitingReagent": "O2",
"notChecked": [
"whether the equation is balanced: the coefficients you give are used as stated",
"side reactions, purity and reaction completeness (real yields are lower)",
"…1 more"
],
"percentYield": null,
"product": "H2O",
"reactants": [
{
"coefficient": 2,
"gramsGiven": 4,
"gramsLeft": 1.98387,
"gramsUsed": 2.01613,
"limiting": false,
"molesGiven": 1.98413,
"molesLeft": 0.984064,
"molesUsed": 1.00006,
"reactant": "H2",
"reactionExtent": 0.992063
},
{
"coefficient": 1,
"gramsGiven": 16,
"gramsLeft": 0,
"gramsUsed": 16,
"limiting": true,
"molesGiven": 0.500031,
"molesLeft": 0,
"molesUsed": 0.500031,
"reactant": "O2",
"reactionExtent": 0.500031
}
],
"reasons": [
"Compare moles divided by coefficient for each reactant: the smallest sets how far the reaction can go.",
"The coefficients are used exactly as you give them: check the equation is balanced."
],
"source": "computed locally",
"summary": "O2 is limiting: theoretical yield 18.0161 g of H2O (1.00006 mol).",
"theoreticalYieldGrams": 18.016126,
"theoreticalYieldMoles": 1.0000625,
"verdict": "LIMITING_REAGENT_FOUND"
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"source": "x402_bazaar",
"summary": "Limiting reagent, theoretical yield and leftover excess for a balanced reaction from reactant masses; optional percent yield."
}What the leaf hashes
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- Day root
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- Chained
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- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af