Molar mass of phenolphthalein (C20H14O4)

The molar mass of phenolphthalein (C20H14O4) is 318.328 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Carbon	× 20	12.011	= 240.22
Hydrogen	× 14	1.008	= 14.112
Oxygen	× 4	15.999	= 63.996
Total			318.328 g/mol

Percent composition by element

Carbon 75.46%
Hydrogen 4.43%
Oxygen 20.1%

Try another formula

H₂O NaCl CO₂ C₆H₁₂O₆ H₂SO₄ Ca(OH)₂ CuSO₄·5H₂O C₈H₁₀N₄O₂

Could not read that formula

Related compounds

NaHCO₃ Sodium bicarbonate C₂H₅OH Ethanol CH₃COOH Acetic acid C₇H₆O₂ Benzoic acid C₉H₈O₄ Aspirin C₇H₆O₃ Salicylic acid

FAQ

What is the molar mass of C20H14O4?

The molar mass of phenolphthalein (C20H14O4) is 318.328 g/mol.

How do you calculate the molar mass of C20H14O4?

Multiply the atomic mass of each element by the number of its atoms in C20H14O4, then add the results: 20 × 12.011 (C) + 14 × 1.008 (H) + 4 × 15.999 (O) = 318.328 g/mol.

What percentage of C20H14O4 is Carbon?

Carbon makes up 75.46% of the mass of phenolphthalein (C20H14O4).