(r'([A-Z][a-z]?)(\d*)') for element, count in pattern.findall(formula): count = int(count) if count else 1 total_weight += atomic_weights[element] * count return total_weight print(f"The molar mass of {molecular_formula} is {calculate_molar_mass(molecular_formula):.2f} g/...
The cdx format of CambridgeSoft's ChemDraw is imported and exported by Marvin. The import of cdxml format is supported, but export isn't. Code:cdx, cdxml Extension:.cdx, .cdxml Import Supported features [Atom properties:](formats_features-imported-from-cdx-and-cdxml-files.md#src-1806563-feat...