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14-01-2020
Chemistry

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A snowflake contains 2.0 10^18 molecules of water. How many moles of water does it contain?
mol

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anfabba15 anfabba15

14-01-2020

Answer:

3.32x10-6 moles occupy 2.0 10^18 molecules of water.

Explanation:

1 mol of anything occupies 6.02x10^23 (NA) particles.

Let's make a rule of three:

6.02x10^23 molecules are contained in 1 mol

2x10^18 occupy (2x10^18 / 6.02x10^23) = 3.32x10-6 moles

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