The Density of Air Under Ordinary Conditions at 25° C $\mathrm { ft } \times 12.0 \mathrm { ft }$

question 1

Multiple Choice

The density of air under ordinary conditions at 25° C is 1.19 g L^-1.How many kilograms of air are in a room that measures 12.0 $\mathrm { ft } \times 12.0 \mathrm { ft }$ and has a 11.0 ft ceiling? $( 1 \mathrm { in } . = 2.54 \mathrm {~cm}$ (exactly) ; $1 \mathrm {~L} = 10 ^ { 3 } \mathrm {~cm} ^ { 3 }$ )

• A)37.69
• B)1.33
• C)5.34 × \( 10^{4} \)
• D)0.00188
• E)53.4

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