How many atoms of hydrogen are present in 36g water
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To start with there are 2 hydrogen atoms in a molecule of H2O.
In 1 mole of H2O, there are Avogadro number of molecules of H2O.
.i.e, 6 x 10^23 molecules of H2O
As there are 2 hydrogens in a molecule of water,
1 mole of H2O contains "2 x (6 x 10^23)" atoms of hydrogen.
36 grams is 2 moles of H2O.
So, 2 moles of water (36 grams) contain
"2 x 2 x 6 x 10^23 = 2.4 x 10^24 atoms of hydrogen.
In 1 mole of H2O, there are Avogadro number of molecules of H2O.
.i.e, 6 x 10^23 molecules of H2O
As there are 2 hydrogens in a molecule of water,
1 mole of H2O contains "2 x (6 x 10^23)" atoms of hydrogen.
36 grams is 2 moles of H2O.
So, 2 moles of water (36 grams) contain
"2 x 2 x 6 x 10^23 = 2.4 x 10^24 atoms of hydrogen.
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