# Pentadecane [C15H32] Molecular Weight Calculation

The molecular weight of Pentadecane (C15H32) is 212.4165.

Pentadecane (C15H32) is an organic compound of two elements: Carbon, and Hydrogen. The molecular weight of Pentadecane is 212.4165 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

# CALCULATION PROCEDURE: Pentadecane  [C15H32] Molecular Weight Calculation

Step 1: Find the chemical formula and determine constituent atoms and their number in a Pentadecane molecule.
You will know different atoms and their number in a Pentadecane molecule from the chemical formula. The chemical formula of Pentadecane is C15H32. The chemical formula shows that one Pentadecane molecule consists of fifteen Carbon (C) atoms and thirty-two Hydrogen (H) atoms.

Step 2: Find out the atomic weights of each atom (from the periodic table).

Atomic weight of Carbon (C): 12.0107 (Ref: Jlab-ele006)
Atomic weight of Hydrogen (H): 1.008 (Ref: Lanl-1)

Step 3: Calculate the total weight of each atom in a Pentadecane molecule by multiplying its atomic weight by its number.

Number of Carbon atoms in Pentadecane: 15
Atomic weight of Carbon (C): 12.0107
Total weight of Carbon atoms in Pentadecane: 12.0107 x 15 = 180.1605

Number of Hydrogen atoms in Pentadecane: 32
Atomic weight of Hydrogen (H): 1.008
Total weight of Hydrogen atoms in Pentadecane: 1.008 x 32 = 32.256

Step 4: Calculate the molecular weight of Pentadecane by adding up the total weight of all atoms.

Molecular weight of Pentadecane: 180.1605 (Carbon) + 32.256 (Hydrogen) = 212.4165

So the molecular weight of Pentadecane is 212.4165.