Question

What fraction of atoms in morphine is accounted for by carbon?

Answer 1

To determine the fraction of carbon in morphine, we need to know the chemical formula of morphine. From my readings, the chemical formula would be  C17H19NO3. We assume we have 1 g of this substance. Using the molar mass, we can calculate for the moles of morphine. Then, from the formula we relate the amount of carbon in every mole of morphine. Lastly, we multiply the molar mass of carbon to obtain the mass of carbon. We calculate as follows:

1 g  C17H19NO3 ( 1 mol / 285.34 g ) ( 17 mol C / 1 mol  C17H19NO3) ( 12.01 g C / 1 mol C) = 0.7155 g C

Fraction of carbon = 0.7155 g C / 1 g  C17H19NO3 = 0.7155

Answer 2

Answer:

$\frac{17}{40}$ or 0.425 fraction of atoms in morphine is accounted by carbon.

Explanation:

Morphine has molecular formula of $C_{17}H_{19}NO_3$.

Morphine is a medicinal compound used in treatment of pain.It belongs to the family of opiate family found naturally in many plants and animals.

Number of total atoms of all elements in 1 molecule of morphine = 40

Number of carbon atoms in 1 molecule of morphine = 17

Fraction of carbon atoms in morphine:

$\frac{\text{Number of carbon atoms}}{\text{Total number of atoms}}$

$=\frac{17}{40}=0.425$

$\frac{17}{40}$ or 0.425 fraction of atoms in morphine is accounted by carbon.