Estimate the molecular mass of glucose (C6H12O6) molecule.

Glucose molecule: C₆H₁₂O₆

Atomic weight of Carbon = 12

Glucose contains 6 carbon atoms

Hence 6 x 12= 72

Atomic weight of Hydrogen is 1

Glucose contains 12 Hydrogen atoms

Hence 1 x 12=12

Atomic weight of Oxygen is 16

Glucose contains 6 oxygen atoms

Hence 6 x 16= 96

Molecular mass of glucose= Sum of atomic weight of all atom

=Atomic weight of 6 Carbon atoms + Atomic weight of 12 Hydrogen atoms + Atomic weight of 6 Oxygen atoms

= 72 + 12+ 96= 180

Therefore, Molecular mass of glucose is 180g/mol

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