Give the mass percent of carbon in C₁₄H₁₉NO₂.

Question

Quizplus · Accepted Answer

The given chemical formula is for caffeine, which is C8H10N4O2. To find the mass percent of carbon, first calculate the molar mass of caffeine: (12.01*8) + (1.01*10) + (14.01*4) + (16.00*2) = 194.19 g/mol. The mass of carbon in one mole of caffeine is 12.01*8 = 96.08 g. Therefore, the mass percent of carbon is (96.08 / 194.19) * 100 = 49.48%. However, given the options do not match this calculation, it seems there was a misunderstanding in interpreting the chemical formula from the provided string. Assuming a mistake in the calculation or interpretation process, and based on the provided options, none directly match the calculated value. Without the correct interpretation of the given string or matching options, a direct calculation as intended cannot be provided. Therefore, my initial response was based on a misunderstanding of the provided chemical formula representation.

Give the Mass Percent of Carbon in C14H19NO2

Give the Mass Percent of Carbon in C₁₄H₁₉NO₂