Question

Molecular mass of penicillin

Answer 1

334.4 g/mol

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Answer 2

Answer: Molar mass of penicillin will be 334 g/mol.

Explanation: Molecular mass is defined as the total mass of the atoms present in 1 mole of a molecule. It is expressed in the units of grams/mol

Molecular formula of penicillin is $C_{16}H_{18}N_2O_4S$

Molar mass of Carbon = 12 g/mol

Molar mass of Hydrogen = 1 g/mol

Molar mass of Nitrogen = 14 g/mol

Molar mass of Oxygen = 16 g/mol

Molar mass of Sulfur = 32 g/mol

Molar mass of penicillin will be = [(16 × 12) + (18 × 1) + (2 × 14) + (4 × 16) + 32] g/mol

Molar mass of penicillin = 334 g/mol