Verified Answer :

Therefore, each mole of calcium nitrate has six moles of oxygen. 

Simply multiply your given moles by six.

Answer : The moles of oxygen are, 9.6 moles.

Explanation : Given,

Moles of \(Ca(NO_3)_2\) = 1.6 mole

As we know that,

In \(Ca(NO_3)_2\), there are 2 atoms of nitrogen, 1 atom of calcium and 6 atom of oxygen.

Now we have to calculate the moles of oxygen.

As, 1 mole of \(Ca(NO_3)_2\) contains 6 moles of oxygen.

So, 1.6 moles of \(Ca(NO_3)_2\) contains \(1.6\times 6=9.6\) moles of oxygen.

Therefore, the moles of oxygen are, 9.6 moles.

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