Molar mass of cysteine (C3H7NO2S)

The molar mass of cysteine (C3H7NO2S) is 121.154 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Carbon	× 3	12.011	= 36.033
Hydrogen	× 7	1.008	= 7.056
Nitrogen	× 1	14.007	= 14.007
Oxygen	× 2	15.999	= 31.998
Sulfur	× 1	32.06	= 32.06
Total			121.154 g/mol

Percent composition by element

Carbon 29.74%
Hydrogen 5.82%
Nitrogen 11.56%
Oxygen 26.41%
Sulfur 26.46%

Try another formula

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

Could not read that formula

Related compounds

C₅H₁₁NO₂S Methionine C₂H₇NO₃S Taurine C₁₆H₁₈N₂O₄S Penicillin G C₁₆H₁₉N₃O₅S Amoxicillin C₇H₅NO₃S Saccharin C₁₄H₁₄N₃NaO₃S Methyl orange

FAQ

What is the molar mass of C3H7NO2S?

The molar mass of cysteine (C3H7NO2S) is 121.154 g/mol.

How do you calculate the molar mass of C3H7NO2S?

Multiply the atomic mass of each element by the number of its atoms in C3H7NO2S, then add the results: 3 × 12.011 (C) + 7 × 1.008 (H) + 1 × 14.007 (N) + 2 × 15.999 (O) + 1 × 32.06 (S) = 121.154 g/mol.

What percentage of C3H7NO2S is Carbon?

Carbon makes up 29.74% of the mass of cysteine (C3H7NO2S).