Back

23. Liquids A and B form an ideal solution in the entire composition range. At 350 K, the vapour pressures of pure A and pure B are 7 x

103  Pa and  12 x 103  Pa, respectively. The containing 40 mole percent of A at this temperature is :

a. xA   = 0.28; xB  = 0.72

b. xA   = 0.76; xB  = 0.24

c. xA   = 0.37; xB  = 0.63

d. xA   = 0.4; xB  = 0.6

Ans. a

(7)

5/5 - (3 votes)

Related Posts:

Powered by Contextual Related Posts

jyoti

You may also like

23. 200 mL of an aqueous solutions of a protein contains is 1.26 g. The Osmotic Pressure of this solution at 300 K is found to be
07/06/2022

2.57 x 10 -3  bar. The molar mass of protein will be a. 31011 g mol -1 b. 61038 g mol -1 c. 51022 g mol -1 d. 122044  g mol -1 Ans. b (9)

25. What is the osmotic pressure of a 0.0020 mol
07/06/2022

dm-3   sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1  ; 1 dm-3  = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)

error: Content is protected !!
Call Now Button