How many atoms are in 2 moles of oxygen gas (O2)?

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What’s inside this PDF?

Question: How many atoms are in 2 moles of oxygen gas (O2)?

Options:

6.022 x 10^23
1.2044 x 10^24
3.011 x 10^23
12.044 x 10^23

Correct Answer: 1.2044 x 10^24

Solution:

Each O2 molecule has 2 oxygen atoms. Number of atoms = moles x Avogadro\'s number x 2 = 2 moles x 6.022 x 10^23 molecules/mole x 2 = 1.2044 x 10^24 atoms.

How many atoms are in 2 moles of oxygen gas (O2)?

Practice Questions

How many atoms are in 2 moles of oxygen gas (O2)?

6.022 x 10^23
1.2044 x 10^24
3.011 x 10^23
12.044 x 10^23

Questions & Step-by-Step Solutions

How many atoms are in 2 moles of oxygen gas (O2)?

Correct Answer: 1.2044 x 10^24 atoms

Step 1: Understand that 1 mole of any substance contains Avogadro's number of molecules, which is approximately 6.022 x 10^23.
Step 2: Recognize that oxygen gas (O2) is made up of 2 oxygen atoms in each molecule.
Step 3: Calculate the number of molecules in 2 moles of O2 by multiplying the number of moles (2) by Avogadro's number (6.022 x 10^23).
Step 4: Multiply the number of molecules (from Step 3) by 2 to find the total number of oxygen atoms, since each molecule of O2 has 2 atoms.

Moles and Avogadro's Number – Understanding the relationship between moles, molecules, and atoms using Avogadro's number.
Molecular Composition – Recognizing that each molecule of O2 consists of 2 oxygen atoms.

How many atoms are in 2 moles of oxygen gas (O2)?

What’s inside this PDF?

How many atoms are in 2 moles of oxygen gas (O2)?

Practice Questions

Questions & Step-by-Step Solutions

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