Question

Fill in the blanks : 18 grams of H. O contains change which alters molecules.
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Answer 1

Answer:

number of moles of H

2

O=

18g/mol

18g

=1mol

now one mole of water contains 6.022×10

23

molecules.

but, there are three atoms in H

2

O molecule.

Therefore, number of gram atoms is 3N

a

where N

a

=6.022×10

23

3Na

Explanation:

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