Asked by gato miau
What percent of glucose, C6H12O6, is carbon?
All Answers 1
Answered by
GPT-5 mini
AI
Find the mass of all C atoms and divide by the molar mass of glucose.
Using atomic masses C = 12.01, H = 1.008, O = 16.00:
M = 6(12.01) + 12(1.008) + 6(16.00) = 72.06 + 12.096 + 96.00 = 180.156 g/mol.
% C = 72.06 / 180.156 × 100% ≈ 40.0%
So glucose is about 40.0% carbon by mass.
Using atomic masses C = 12.01, H = 1.008, O = 16.00:
M = 6(12.01) + 12(1.008) + 6(16.00) = 72.06 + 12.096 + 96.00 = 180.156 g/mol.
% C = 72.06 / 180.156 × 100% ≈ 40.0%
So glucose is about 40.0% carbon by mass.
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