Pure benzene freezes at 5.45°C. A 0.374 m solution of tetrachloroethane in benzene freezes at 3.55°C.

Solutions

1 Posts

2 Users

0 Likes

215 Views

01/10/2020 5:00 pm

Topic starter

Shaneylee18

(@shaneylee18)

Illustrious Member

2184 Posts
2182 0 0

Pure benzene freezes at 5.45°C. A 0.374 m solution of tetrachloroethane in benzene freezes at 3.55°C. The K_f for benzene is:

(a) 0.508

(b) 5.08

(d) 508

Add a comment

Topic Tags

1 Answer

01/10/2020 5:03 pm

Freddie12

(@freddie12)

Noble Member

2094 Posts
0 2094 0

(b) 5.08

Explanation:

ΔT_f= K_fx m

(5.45 – 3.55) = K_fx 0.374

K_f= 1.9/0.374 = 5.08

Add a comment

Forum Icons: Forum contains no unread posts Forum contains unread posts

Topic Icons: Not Replied Replied Active Hot Sticky Unapproved Solved Private Closed

Forum