A solution containing 62 g ethylene glycol in 250 g water is cooled to −10° C. If Kf for water is 1.86 Kg mol−1, the amount of water (in g) separated as ice is:
a.
32
b.
48
c.
16
d.
64
a.
32
b.
48
c.
16
d.
64
Question ID - 51991 | SaraNextGen Top Answer A solution containing 62 g ethylene glycol in 250 g water is cooled to −10° C. If Kf for water is 1.86 Kg mol−1, the amount of water (in g) separated as ice is:
a.
32
b.
48
c.
16
d.
64
A solution containing 62 g ethylene glycol in 250 g water is cooled to −10° C. If Kf for water is 1.86 Kg mol−1, the amount of water (in g) separated as ice is:
|
a. |
32 |
b. |
48 |
|
c. |
16 |
d. |
64 |
1 Answer
127 votes
Answer Key / Explanation : (d) -
Tf=kf .m
10=1.86
W=0.186 kg
W=(250−186) = 64gm
127 votes
Answer Link
127