Question

State the number of hydrogen atoms in 1kg of hydrogen.

Answer 1

1 kg hydrogen element or 1000 moles of hydrogen have atoms (or 1000 times the Avogadro's number). Hydrogen gas, unlike hydrogen atom, is made up of 2 atoms of hydrogen. Molecules of hydrogen gas are represented as .

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Answer 2

Answer:

1 kg hydrogen element or 1000 moles of hydrogen have atoms (or 1000 times the Avogadro's number). Hydrogen gas, unlike hydrogen atom, is made up of 2 atoms of hydrogen.

Explanation:

The atomic mass of hydrogen is 1 g/mole. To make up 1 kilogram or 1000 g of hydrogen element, 1000 moles of hydrogen is required. Each mole has a Avogadro's number of atoms or 6.023 xx 10^(23) atoms. Thus, 1 kg hydrogen element or 1000 moles of hydrogen have 6.023 xx 10^(26) atoms (or 1000 times the Avogadro's number).

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