Question

There is 1.00 × 102 mg of caffeine in a shot of espresso. The chemical formula of caffeine is C8H10N4O2. Determine the moles of carbon and hydrogen present in the caffeine in one shot of espresso

Answer 1

Answer:

In one shot of expresso, there are:

4.12 x 10^-3 moles of C atoms

5.15 x 10^-3 moles of H atoms

2.06 x 10^-3 moles of N atoms

1.03 x 10^-3 moles of O atoms