What is the molecular mass of glucose molecule (C6H12O6)?

Answer:

The total sum of the masses of the atoms or elements present in the molecule is termed as molecular mass.

Calculation of Molar mass of a compound

We can find the molecular mass of the molecule by following the given substance:

  • Identify the formula of the compound or molecule.
  • Using the formula to determine the number of atoms present in each element of the compound or molecule.
  • Multiply the atomic weight of each element with the number of atoms of that particular element.
  • Similarly, do it for all the elements in the molecule or compound.
  • Add up all the values obtained in the above step.
  • Then add the unit as grams/mole you will get the molecular mass of the substance.

Molecular mass of glucose (C6H12O6)

Let us look for the atomic masses of carbon (C), hydrogen (H) and oxygen (O).

C = 12

H = 1

O = 16

∴ The molar mass of the glucose is

⇒ 12 x 6 + 1 x 12 + 16 x 6

⇒ 72 + 12 + 96

= 180

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