Molar Mass

Molar mass from a chemical formula. Parses brackets and hydrate dots.

Syntax

• C6H12O6 → 180.16 g/mol.
• Ca3(PO4)2, K4[Fe(CN)6]: nested groups.
• CuSO4.5H2O: hydrates with the dot multiplier.
• Leading coefficient: 2 H2O doubles every count.

Reports total mass, total atom count and a per-element table with mass percent in Hill order.