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Fundamental and Derived Units

The mass of a...

Question

The mass of an oxygen atom is 16.00u. Find its mass in kg.

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Solution

Mass of an oxygen atom = 16.00 u
Now, 1 u = 1.66 × 10^-27 kg
Hence, mass of oxygen in kg = 16 × 1.66 × 10^-27 kg
= 2.656 × 10^-26 kg

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