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Mole Concept

2. Atoms & Elements / Mole Concept / Problem 2

Calculate the mass (g) of a sample containing 8.45 x 10²³ molecules of melatonin (C₁₃H₁₆N₂O₂).

A

7.48 x 10³ g

B

1.41 x 10³ g

C

3.26 x 10² g

D

4.81 x 10² g

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