Question

Each molecule of hydrogen gas (H2) is made of two hydrogen atoms. You have 6.022×1023 molecules of hydrogen gas.

How many moles of hydrogen atoms do you have?

Responses

1

1

2

2

6

6

12

Answer 1

2 moles.

Reason: 6.022×10^23 H2 molecules = 1 mole of H2 molecules, and each H2 has 2 H atoms, so 1 mol × 2 = 2 mol of H atoms.