How many Hydrogen atoms are there in 500.0 g of H20?

Answer 1

Oh, dude, let me break it down for you. So, in one molecule of H2O, there are two Hydrogen atoms. If you have 500.0 grams of H2O, that's like around 27 moles of water. Since each mole of water has 2 Hydrogen atoms, you've got around 54 Hydrogen atoms in that 500.0 grams of H2O.

Answer 2

The chemical formula of water is H2O, showing that each molecule contains two hydrogen atoms. The gram molecular mass of water is 18.016. Therefore, 52.0 grams of water contains 52.0/18.016 or about 2.886 moles of water.

Avogadro's number is defined as the number of molecules per gram mole and is 6.023 X 1023 atoms, molecules or ions. Therefore, 2.866 moles contains:

2 X 2.866 X 6.023 X 1023 or 3.45 X 1024 hydrogen atoms, to the justified number of significant digits.

Answer 3

Each molecule of water, as shown by its formula given in the question, contains two atoms of hydrogen and one atom of oxygen. The gram Atomic Mass of oxygen is 15.9994 and that of hydrogen is 1.00794. Therefore, the gram molar mass of water is 15.9994 + 2(1.00794) or 18.0099. Therefore, 500.0 g of water contains 500.0/18.0099 or 27.7625 moles. Each mole contains Avogadro's Number of molecules. Therefore, the number of atoms of hydrogen in 500.0 g of water is 2(27.7625)(6.022 X 1023) or 3.344 X 1025 atoms, to the justified number of significant digits.

Answer 4

50.0 grams x (1mol/18.0grams) x (2moles of H/1mol H2O) x (6.02x1023 atoms/1mol)

= 3.34 x 1024

Answer 5

There are 5.56 x 10^24 hydrogen atoms in 500.0 g of water (H2O) which is equivalent to 3 moles of water. Each mole of water contains 2 moles of hydrogen atoms.

Answer 6

52,4 moles of hydrogen

Answer 7

This value is 5,687.10e23 hydrogen atoms.

Answer 8

6.6x1022