Molar mass of sodium dodecyl sulfate (C12H25NaO4S)

The molar mass of sodium dodecyl sulfate (C12H25NaO4S) is 288.378 g/mol.

SDS · sodium lauryl sulfate

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Carbon × 12 12.011 = 144.132
Hydrogen × 25 1.008 = 25.2
Sodium × 1 22.99 = 22.99
Oxygen × 4 15.999 = 63.996
Sulfur × 1 32.06 = 32.06
Total288.378 g/mol

Percent composition by element

  • Carbon 49.98%
  • Hydrogen 8.74%
  • Sodium 7.97%
  • Oxygen 22.19%
  • Sulfur 11.12%

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FAQ

What is the molar mass of C12H25NaO4S?

The molar mass of sodium dodecyl sulfate (C12H25NaO4S) is 288.378 g/mol.

How do you calculate the molar mass of C12H25NaO4S?

Multiply the atomic mass of each element by the number of its atoms in C12H25NaO4S, then add the results: 12 × 12.011 (C) + 25 × 1.008 (H) + 1 × 22.99 (Na) + 4 × 15.999 (O) + 1 × 32.06 (S) = 288.378 g/mol.

What percentage of C12H25NaO4S is Carbon?

Carbon makes up 49.98% of the mass of sodium dodecyl sulfate (C12H25NaO4S).