LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
11 views
in Chemistry by (90.5k points)
closed by
Ethylene glycol is used as antifreeze in a cold climete. Mass of ethylene glycol which should be added to 4 kg of water = 1.86 K kg `mol^(-1)`, molar mass of ethylene glycol = 62 g `mol,^(-1)` )
A. 804.32 g
B. 204.30 g
C. 400.-- g
D. 304.60 g

1 Answer

0 votes
by (90.8k points)
selected by
 
Best answer
Correct Answer - a
`W_(B)=(M_(B)xxDeltaT_(f)xxW_(A))/K_(f)`
`=((62h mol^(-1))xx(6K)xx(4kg))/((1.86"K kg" mol^(-1)))=800 g`

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...