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How many molecules are in a sample of water, H2O, with a mass of 63.00 grams?

There are molecules in 63.00 g of

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number of particles.

To calculate the moles, we use the equation:

1 mole of contains =   molecules

Thus 3.5 moles of contains =   molecules.

There are molecules in 63.00 g of

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