Which of the following samples contains the largest number of hydrogen atoms?Group of answer choices2.0 moles of C6H164.0 moles of C3H66.0 moles of C2H43.0 moles of C3H88.0 moles of C2H2

To determine which sample contains the largest number of hydrogen atoms, we need to calculate the number of hydrogen atoms in each sample. We can do this by multiplying the number of moles by Avogadro's number (6.022 x 10^23 atoms/mole) and the number of hydrogen atoms in each molecule.

1. 2.0 moles of C6H16: Hydrogen atoms per molecule = 16 Total hydrogen atoms = 2.0 moles * 16 * (6.022 x 10^23 atoms/mole) = 1.927 x 10^25 atoms

2. 4.0 moles of C3H6: Hydrogen atoms per molecule = 6 Total hydrogen atoms = 4.0 moles * 6 * (6.022 x 10^23 atoms/mole) = 1.447 x 10^25 atoms

3. 6.0 moles of C2H4: Hydrogen atoms per molecule = 4 Total hydrogen atoms = 6.0 moles * 4 * (6.022 x 10^23 atoms/mole) = 1.447 x 10^25 atoms

4. 3.0 moles of C3H8: Hydrogen atoms per molecule = 8 Total hydrogen atoms = 3.0 moles * 8 * (6.022 x 10^23 atoms/mole) = 1.447 x 10^25 atoms

5. 8.0 moles of C2H2: Hydrogen atoms per molecule = 2 Total hydrogen atoms = 8.0 moles * 2 * (6.022 x 10^23 atoms/mole) = 9.635 x 10^24 atoms

So, the sample with the largest number of hydrogen atoms is 2.0 moles of C6H16.