The molecular weight of Isoleucine [C_{6}H_{13}NO_{2}] is 131.17374.

Isoleucine (C_{6}H_{13}NO_{2}) is an organic compound of four elements: Carbon, Hydrogen, Nitrogen, and Oxygen. The molecular weight of Isoleucine is 131.17374 which can be calculated by adding up the total weight (atomic weight multiplied by their number) of all its elements.

**CALCULATION PROCEDURE: Isoleucine [C**_{6}H_{13}NO_{2}] Molecular Weight Calculation

_{6}H

_{13}NO

_{2}] Molecular Weight Calculation

**Step 1: Find out the chemical formula and determine constituent atoms and their number in an Isoleucine molecule.**From the chemical formula, you will know different atoms and their number in an Isoleucine molecule. The chemical formula of Isoleucine is C

_{6}H

_{13}NO

_{2}. From the chemical formula of Isoleucine, you can find that one molecule of Isoleucine consists of six Carbon (C) atoms, thirteen Hydrogen (H) atoms, one Nitrogen (N) atom, and two Oxygen 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)

Atomic weight of Nitrogen (N): 14.00674 (Ref: Jlab-ele007)

Atomic weight of Oxygen (O): 15.9994 (Ref: Jlab-ele008)

**Step 3: Calculate the total weight of each atom in an Isoleucine molecule by multiplying its atomic weight by its number.**

Number of Carbon atoms in Isoleucine: 6

Atomic weight of Carbon (C): 12.0107

Total weight of Carbon atoms in Isoleucine: 12.0107 x 6 = 72.0642

Number of Hydrogen atoms in Isoleucine: 13

Atomic weight of Hydrogen (H): 1.008

Total weight of Hydrogen atoms in Isoleucine: 1.008 x 13 = 13.104

Number of Nitrogen atoms in Isoleucine: 1

Atomic weight of Nitrogen (N): 14.00674

Total weight of Nitrogen atoms in Isoleucine 14.00674 x 1 = 14.00674

Number of Oxygen atoms in Isoleucine: 2

Atomic weight of Oxygen (O): 15.9994

Total weight of Oxygen atoms in Isoleucine: 15.9994 x 2 = 31.9988

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

Molecular weight of Isoleucine: 72.0642 (Carbon) + 13.104 (Hydrogen) + 14.00674 (Nitrogen) + 31.9988 (Oxygen) = 131.17374

So the molecular weight of Isoleucine is 131.17374.

Isoleucine [C_{6}H_{13}NO_{2}] Molecular Weight Calculation

Molecular weight of Isoleucine [C_{6}H_{13}NO_{2}] | |||

Constituent atoms | Number of each atom | Atomic weight | Total weight |

Carbon (C) | 6 | 12.0107 | 72.0642 |

Hydrogen (H) | 13 | 1.008 | 13.104 |

Nitrogen (N) | 1 | 14.00674 | 14.00674 |

Oxygen (O) | 2 | 15.9994 | 31.9988 |

Molecular weight of Isoleucine [C_{6}H_{13}NO_{2}]: | 131.17374 |

## REFERENCES:

- Lanl-1: https://periodic.lanl.gov/1.shtml
- Jlab-ele006: https://education.jlab.org/itselemental/ele006.html
- Jlab-ele007: https://education.jlab.org/itselemental/ele007.html
- Jlab-ele008: https://education.jlab.org/itselemental/ele008.html
- Jlab-ele015: https://education.jlab.org/itselemental/ele016.html

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