7)  What is the density of nitrogen gas at STP (in g/dm³ and kg/m³)?

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Gas Review Problem #7

7)  What is the density of nitrogen gas at STP (in g/dm³ and kg/m³)?

Write given information:

1 mole N₂  =  28 g N₂  =  22.4 dm³ @ STP

Write equation:       

Substitute into equation:     

Solve for Density:   Density  =  1.35 g/dm³

Recall:  1000 g  =  1 kg     &     1 m³  =  1000 dm³

Convert m³ to dm³:

        x dm³  =  1 m^{3    =}  1000 dm³

Convert:   

Solve:  1.35 kg/m³

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