Question

drug marijuana owes its activity to tetrahydrocannabinol, w
oms as hydrogen atoms and 15 times as many hydrogen ato
mole in a gram of tetrahydrocannabinol is 0.00318. Determine the
rahydrocannabinol, which contains 70% as many carbon
many hydrogen atoms as oxygen atoms. The number of
0.00318. Determine the molecular formula.​

Answer 1

Answer: The molecular formula is   $C_{21}H_{30}O_{2}$ .

Explanation:

Given in the question that it contains Carbon (C), Hydrogen(H) and Oxygen(O) atoms.

1 g = 0.00318 mol

∴ 1 mol = $\frac{1}{ 0.00318}$ = 314.46 g.

Let the number of Oxygen atoms be x atoms.

∴ Number of Hydrogen atoms = 15x atoms.

∴ Number of Carbon atoms = $\frac{70}{100}$ X 15x atoms.

∴ Molecular Formula is given by,

C          :    H      :      O

$\frac{15 X 70}{10 X N_A}$   :   $\frac{15x}{N_A}$     :   $\frac{x}{N_A}$

10.5      :   15       :   1

21          :   30      :   2

∴ The molecular formula is   $C_{21}H_{30}O_{2}$ .

Answer 2

Answer:

C21H30O2

Explanation:

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