{"uid":"cap_Z1E6h4bW8R3CjqCxpWo8K","slug":"x402-forgemesh-io-stoichiometry-calculator-055ee22c","name":"x402.forgemesh.io Stoichiometry Calculator","description":"Converts between grams, moles, and molecule count for any chemical formula using its molar mass and Avogadro's number — give either grams or moles and get all three back. For stoichiometry problem sets, lab reagent prep, and chemistry-tutoring agents that need exact conversions, not approximations.","url":"https://x402.forgemesh.io/stoichiometry-calculator","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"grams":{"type":"string"},"moles":{"type":"string"},"formula":{"type":"string"}}},"responseSchema":{"type":"json","example":{"moles":1,"molecules":6.02214076e+23,"molar_mass_g_per_mol":18.015}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bgWEM5_PRQ4nXbCqmR1ZN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a chemical formula between grams, moles, and molecule count using molar mass and Avogadro's number","exampleAgentPrompt":"I have 25 grams of glucose (C6H12O6) — can you tell me how many moles that is and how many molecules it contains?","exampleUseCases":null,"resultDescription":"Returns all three interconverted values: grams, moles, and molecule count, computed using the formula's molar mass and Avogadro's number (6.022×10²³).","failureModes":["Invalid or unrecognized chemical formula returns an error","Neither grams nor moles provided results in missing-input error","Formula with ambiguous element symbols may fail to parse","Extremely large or small values may hit floating-point precision limits"],"whenToPreferThis":"Use this endpoint when you need exact stoichiometric conversions between mass, moles, and molecule count for any chemical formula — ideal for chemistry tutoring agents, automated lab reagent preparation workflows, or homework-assistance tools that require precise values rather than approximations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:53:32.037Z","isFirstParty":false}