Determine the number of moles of oxygen atoms in each of the following. 1) 4.93 mol H2O2
2) 2.01 mol N2O

Answer :

Part 1: 4.93 moles of contains 9.86 moles of oxygen atoms.

Part 2: 2.01 moles of contains 2.01 moles of oxygen atoms.

Explanation :

Part 1: 4.93 mol

In 1 mole of , there are 2 atoms of hydrogen and 2 atoms of oxygen.

As, 1 mole of contains 2 moles of oxygen atoms.

So, 4.93 moles of contains moles of oxygen atoms.

Thus, 4.93 moles of contains 9.86 moles of oxygen atoms.

Part 2: 2.01 mol

In 1 mole of , there are 2 atoms of nitrogen and 1 atom of oxygen.

As, 1 mole of contains 1 mole of oxygen atoms.

So, 2.01 moles of contains moles of oxygen atoms.

Thus, 2.01 moles of contains 2.01 moles of oxygen atoms.

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