Jazz1444 Jazz1444

28-03-2021
Chemistry

contestada

How many moles of caffeine are in 130 mg of caffeine coffee?

Respuesta :

28-03-2021

Answer:

0.00067mols

Explanation:

firs convert 130mg to grams which is 0.13g, then find the molar mass of caffeine which is 194.19g/mol.

0.13g/194.19gmol=0.0067mols

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