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There are 2 hydrogen atoms and 1 oxygen.

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Q: How many atoms of hydrogen are there in the mole of H2O molecules?
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Why one mole of hydrogen molecules and one mole of hydrogen atoms have different masses?

Because each hydrogen molecule contains 2 hydrogen atoms!


A sample of water contains 3.6 moles of hydrogen atoms How many molecules of water are present in this sample?

3.6 moles hydrogen atoms (1 mole water/2 mole H)(6.022 X 1023/1 mole water molecules) = 1.1 X 1024 molecules of water =======================


How many grams of hydrogen are in one mole of water?

One mole of any substance contains 6.022x10 to the power of 23 molecules of that substance. A water molecule contains two hydrogen atoms so one molecule of water has 12.044x10 to 23 hydrogen atoms.


How is the avogadros number related to the mole?

Avogadro's number (generally written as 6.02 x 10^23) is the number of atoms or molecules it takes to have one mole of a particular atom or molecule. For example, one mole of Hydrogen is just 6.02 x 10^23 atoms of hydrogen.


How many atoms of hydrogen are in 2NH3?

1 mole NH3 (3 mole H/1 mole NH3) = 3 mole hydrogen atoms


How many atoms are there in a moleecule of hydrogen gas?

Hydrogen gas contains H2 molecules. 1 mole of H2 gas contains Avogadros number of molecules, 6.022 X 1023 therefore there are 2 twice as many atoms of hydrogen 12.024 X 1023 = 1.204 X 1024


How many moles of hydrogen will be produced if 0.36 moles of zinc react with an equal amount of H2SO4?

Zn + H2SO4 ---> ZnSO 4 + H2 so one mole of zinc and 1 mole of sulfuric acid produces one mole of hydrogen molecules and thus two moles of hydrogen atoms. So 0.36 moles of zinc will produce 0.36 moles of hydrogen molecules and thus 0.72 moles of hydrogen atoms.


How many hydrogen atoms are there in 3.50 grams of methane?

3.5 g CH4 x 1 mole/16 g x 6.02x10^23 molecules/mole x 4 H atoms/molecule = answer.


Why one mole of hydrogen molecule and one mole of hydrogen atoms have different masses?

because there are 2 hydrogen atoms in the molecule of hydrogen atoms


How many atoms in C2H6?

In a mol of a substance there are 6.022E23 molecules. There are 12 atoms in each molecule of C6H6 (benzene). Thus, in a mole of benzene there are 6.022E23 * 12 atoms.


Why one mole of hydrogen molecules and one mole of H-atoms have different masses?

The hydrogen molecule is diatomic, H2.


How many atoms of Hydrogen are found in 1 mole?

1 mole of any element = 6.02 × 1023 atoms