Question

1. Aspirin is a compound that contains carbon, hydrogen and oxygen. It is used as a
painkiller. An aspirin tablet contains 1.25 x 10^30molecules. How many moles of this
compound are present in the tablet?
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Answer 1

Answer:

Moles No. of molecules/Avogadro Number -1.25*10^30/6.022*10^23

Moles 0.20757x10^7

Hence, Moles=20.757x10^5