Question

mole of water molecules has: *
1 point
2 moles of oxygen atoms
1 mole of hydrogen atom
2 moles of hydrogen atoms
2 moles of hydrogen molecule​

Answer 1

Answer:

I think 1 or 2

Explanation:

because the water has oxigen molecules I am not sure

Answer 2

Answer:

2 moles of hydrogen atoms...

Explanation:

The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.

Water has 2 moles of hydrogen atoms and 1 mole of oxygen atoms

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