Question bank/JEE Main/Chemistry

JEE MainChemistryEasyPhysical Chemistry

Aspirin has the formula C_9H_8O_4. How many atoms of oxygen
are there in a tablet weighing 360 mg ?

Show answer and solution
Number of oxygen atoms=360×10−3180= \frac{360 \times 10^{- 3}}{180}× 6.02
× 10^23 × 4 = 4.81 × 10^21

Source: Grass-G / CH-05 Chemistry Paper 10 October.docx

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