Question

1. Calculate the number of moles of oxygen atoms present in 1.50 mol of barium sulfate.

Answer 1

`n_O=6.00molO`

Step-by-step explanation:

Hello.

In this case, since the molecular formula of barium sulfate is:

`BaSO_4`

Which has four oxygen atoms, we can also say that one mole of barium sulfate has four moles of oxygen; in such a way, the moles of oxygen atoms in 1.50 moles of barium sulfate are:

`n_O=1.50molBaSO_4*(4molO)/(1molBaSO_4) \\\\n_O=6.00molO`

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