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ICSE Class 10 Answered

 
Asked by Supratim Sircar | 25 May, 2014, 07:04: PM
answered-by-expert Expert Answer

Given:

D = 2.4 g/lts

T = 2730C = 273 + 273 = 546 K

P = 1140 mmHg = 1.5 atm

V = 1litre

M =?

Solution:

Density = Mass/Volume

Mass = Density x volume = 2.4 x 1 = 2.4 g

Now, PV = nRT

PV = (m/M) RT

1.5 x 1 = (2.4/M) 0.082 x 546

1.5 x M = 2.4 x 0.082 x 546

M = 107.45

1.5

M = 71.6

Answered by Vaibhav Chavan | 27 May, 2014, 10:39: AM

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