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The volume of 0.44 g of a colourless oxi...

The volume of 0.44 g of a colourless oxide of `N_(2)` is 224 mL at `273^(@)C` and 1530 mm pressure. What is the compound?

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`PV=(g)/(M)RT`
or, `M=(gRT)/(PV)=(0.44xx0.0821xx546)/(((1530)/(760))xx224xx10^(-3))~~44g*mol^(-1)` ltbr. The expected compoud is `N_(2)O`.
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