Compute the molar mass (g/mol) of a chemical formula. Supports nested parentheses and brackets, element multipliers, and hydrate dot notation with coefficients (e.g. "Ca(OH)2", "CuSO4·5H2O", "K4[Fe(CN)6]"). Returns the total mass and the per-element composition with mass fraction percentages.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.004000 USDC | 0xb3f4...194A |