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A 1.0 oz (30.0 mL, 1.00 g/mL) espresso contains 55.0 mg of caffeine (C8H10N4O2). Calculate the...

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Chemistry

A 1.0 oz (30.0 mL, 1.00 g/mL) espresso contains 55.0 mg ofcaffeine (C8H10N4O2). Calculate the caffeine concentration in thefollowing units. You may assume your espresso contains onlycaffeine and water for simplicity.

a. ppm

b. %w/w

c. ppb

d. Molarity

e. molality

f. Xcaffeine (mole fraction)

Answer & Explanation Solved by verified expert
4.1 Ratings (607 Votes)
espresso is 30 ml and it is 10gml then30 ml espresso contain 30 gm espresso that mean 30 gm espressocontain 55 mg caffeineappm55    See Answer
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