How many moles of water, H2O, contain 2.0×10^22 molecules of water? (See the hints for assistance in interpreting scientific notation.)

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

From the question we have

We have the final answer as

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water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.