Since a hydrogen atom consists of just one proton and one electron, it should have a mass of 1.673 x 10^-24 g. And so it does. Calculate how many hydrogen atoms you'd have if you had 5.6 g of hydrogen.

See your post above.

To calculate the number of hydrogen atoms in 5.6 grams, we need to use the concept of molar mass and Avogadro's number.

Step 1: Determine the molar mass of hydrogen.
The molar mass of hydrogen is approximately 1.007 grams per mole (g/mol).

Step 2: Calculate the number of moles in 5.6 grams of hydrogen.
Using the equation:
Number of moles = Given mass / Molar mass

Number of moles = 5.6 g / 1.007 g/mol ≈ 5.55 mol (rounded to two decimal places)

Step 3: Apply Avogadro's number.
Avogadro's number states that there are 6.022 x 10^23 entities (atoms, molecules, etc.) in one mole of any substance. In this case, it represents the number of hydrogen atoms in one mole.

Number of atoms = Number of moles x Avogadro's number

Number of atoms = 5.55 mol x 6.022 x 10^23 atoms/mol ≈ 3.342 x 10^24 atoms (rounded to three significant figures)

Therefore, you would have approximately 3.342 x 10^24 hydrogen atoms if you had 5.6 grams of hydrogen.