Question

A cylinder contains hydrogen gas at pressure of 249 kPa and temperature 27°C.

Its density is: (R = 8.3 J mol^-1   K^-1)

(1) 0.5 kg/m³

(2) 0.2 kg/m³

(3) 0.1 kg/m³

(4) 0.02 kg/m³

Comments

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Answer 1

Ans: (2) 0.2 kg/m³

Explanation: 

Comments

Smaj me nahi aaya

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Now I got it!!!

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OMG you took almost 1 month to understand it