Molecular Weight Of Glucose: The molecular weight of glucose (C6H12O6) can be calculated by adding together the atomic weights of all its constituent atoms. The atomic weights are usually given in atomic mass units (amu) or unified atomic mass units (u).
Molecular Weight Of Glucose
Here’s how to calculate the molecular weight of C6H12O6:
- Carbon (C) has an atomic weight of approximately 12.01 u.
- Hydrogen (H) has an atomic weight of approximately 1.01 u.
- Oxygen (O) has an atomic weight of approximately 16.00 u.
Now, let’s calculate the molecular weight:
Molecular Weight of C6H12O6 = (6 * Atomic Weight of Carbon) + (12 * Atomic Weight of Hydrogen) + (6 * Atomic Weight of Oxygen)
Molecular Weight of C6H12O6 = (6 * 12.01 u) + (12 * 1.01 u) + (6 * 16.00 u)
Molecular Weight of C6H12O6 = 72.06 u + 12.12 u + 96.00 u
Molecular Weight of C6H12O6 ≈ 180.18 u
So, the molecular weight of glucose (C6H12O6) is approximately 180.18 unified atomic mass units (u) or atomic mass units (amu).
This value is often used in chemistry for various calculations and is expressed in grams per mole (g/mol) in the International System of Units (SI). Therefore, the molar mass of C6H12O6 is approximately 180.18 g/mol.
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Frequently Asked Question (FAQs) Molecular Weight Of C6H12O6
1. What is the molecular weight of C6H12O6?
The molecular weight of glucose (C6H12O6) is approximately 180.18 unified atomic mass units (u) or atomic mass units (amu).
2. How is the molecular weight of C6H12O6 calculated?
The molecular weight of C6H12O6 is calculated by adding together the atomic weights of all its constituent atoms. Carbon (C) has an atomic weight of approximately 12.01 u, hydrogen (H) has an atomic weight of approximately 1.01 u, and oxygen (O) has an atomic weight of approximately 16.00 u.
3. Why is knowing the molecular weight of glucose important in chemistry and biology?
The molecular weight of C6H12O6 is crucial in various scientific and practical applications. It is used in chemistry for stoichiometry, reaction calculations, and molar concentration calculations. In biology, it’s important for understanding metabolic processes and cellular energy production.
4. Is the molecular weight of C6H12O6 the same as its molar mass?
Yes, the molecular weight of C6H12O6 is often referred to as its molar mass. Both terms represent the mass of one mole of glucose molecules (C6H12O6) and are expressed in grams per mole (g/mol).
5. How is the molecular weight of C6H12O6 used in analytical chemistry and laboratory work?
In analytical chemistry, the molecular weight of C6H12O6 is used to determine the concentration of C6H12O6 solutions. It’s also used to calculate the amount of glucose in chemical reactions or biological samples.