Use app×
QUIZARD
QUIZARD
JEE MAIN 2026 Crash Course
NEET 2026 Crash Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
326 views
in Chemistry by (84.4k points)
closed
Equal volume of `0.2M NH_(4)OH` (or ammonia) are `0.1MH_(2)SO_(4)` are mixed.Calculated pH of final solution.Given :`K_(b)` of `NH_(3)=1.8xx10^(-5)` at `25^(@)C`.

1 Answer

0 votes
by (82.0k points)
 
Best answer
`C=[NH_(4)^(+)]=0.1M`(:.volume get doubeled so concentration must have been halved)
`h=sqrt(K_(h))/(C )=sqrt((10^(-14))/(1.8xx10^(-5)xx0.1))(lt0.1)`
`:.pH=1//2{14-4.74+1}=(10.26)/(2)=5.13`

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

...