States of Matter - Result Question 35

####35. What is the density of $N_2$ gas at $227^{\circ} C$ and $5.00 atm$ pressure? $(R=0.0821 atm K^{-1} mol^{-1})$

(a) $0.29 g / ml$

(b) $1.40 g / ml$

(c) $2.81 g / ml$

(d) $3.41 g / ml$

[NEET Kar. 2013]

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Solution:

  1. (d) Density $=\frac{P M}{R T}=\frac{5 \times 28}{0.0821 \times 500}=3.41 g / mL$


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