How many moles of ibuprofen contain 1.51×10^23 atoms of carbon?

Question

Question

Answer 1

Answer #1

1st find the number of moles of C

use:

number of mol = number of atoms / Avogadro’s number

number of mol = 1.51*10^23 / 6.022*10^23 mol

number of mol = 0.2507 mol

ibuprofen formula is: C13H18O2

1 C13H18O2 has 13 C

So,

Moles of C13H18O2 = moles of C / 13

= 0.2507 / 13

= 0.0193 mol

Answer: 0.0193 mol

Answer 2

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