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Chemistry
Susie
28 July, 16:05
How many H atoms in 12H2O?
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Kathy Hodges
28 July, 16:11
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24 atoms of H or 1.4 x 10²⁵ hydrogen atoms
Explanation:
simple method
1 H₂O has atoms of hydrogen and 1 atom of oxygen
while 12H₂O will have 24 atoms of hydrogen and 12 atom of oxygen
by Avagadros number
molar mass of water H₂0=18.01528 g/mol
1 mole of H₂0 have 2 moles of Hydrogen
one mole of water = 6.02⋅10²³water molecules = 1.2 x 10²⁴hydrogen atoms
12 mole of H₂O = 1.2 x 10²⁴ x 12 = 1.4 x 10²⁵ hydrogen atoms
1.4 x 10²⁵ hydrogen atoms in 12 moles of H₂O
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