Cambridge IAL Chemistry Practice Questions - Cambridge International A-Level Chemistry (9701) Exam

How many molecules of water are present in 9.0 g of H2O? (Avogadro = 6.02 x 10^23)

3.01 x 10^23 6.02 x 10^23 1.20 x 10^24 5.42 x 10^24

Correct Answer:

3.01 x 10^23

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