Question

How do you find the number of moles of acetaminophen in a single tablet?

Answer 1

Do you know the chemical formula for acetaminophen?

Answer 2

And the mass of the tablet?

Answer 3

C8h9NO2 for the chemical formula but i dont know the mass

Answer 4

Tylenol.ca says each regular strength tablet contains 325 mg of acetaminophen.

Answer 5

Can you find the number of moles now?

Answer 6

no im not sure how to calculate it to find it

Answer 7

Can you find the molecular mass?

Answer 8

i got 151g/mol

Answer 9

Cool. So, if each tablet does weigh 325 mg, how many moles do we have?

Answer 10

2.15?

Answer 11

I get 325 mg * (1 g/1000 mg) * (1 mol/151 g) = 0.00215 mol

Answer 12

Don't forget to convert your units. :)

Answer 13

Thank you i totally forgot :)

Answer 14

No worries.