6.02 Quiz: Mole-Number Relationships
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Each molecule of hydrogen gas (H₂) is made of two hydrogen atoms. If you have 6.022 × 10²³ molecules of hydrogen gas, then how many moles of hydrogen atoms do you have?
2.
How many total atoms are in one mole of ammonia (NH₃)?
2.4 × 10²⁴.
Which of the following values approximately represents the number of atoms in one mole of gold?
6.02 × 10²³.
You have one mole of each of the following atoms: carbon-12, oxygen-16, and uranium-235. Which substance has more atoms?
All have the same number of atoms.
The chemical standard for the quantity of a mole is based on which substance?
Carbon-12.
