Flag Engineering Entrance Exams> concentration-of-the-solution...
question mark

50 ml of 1 M oxalic acid is shaked with 0.5 g wood charcoal. The final concentration of the solution after adsorption is 0.5 M. What is the amount of oxalic acid absorbed per gram of carbon?(A) 3.15 g(B) 3.45 g(C) 6.30 g(D) None

Radhika Batra , 11 Years ago
Grade 11
anser 2 Answers
Amit Saxena

Last Activity: 11 Years ago

2091_88596_a3.JPG

India VK

Last Activity: 11 Years ago

D

 

Amount of acid in the soln to begin with = 50 * 1 = 50 mmol

At the end = 0.5 * 50 = 25 mmol

 

Adsorbed = 25 mmol = 25*90/1000 = 2.25 g

 

Adsorbed / gm or charcoal = 2.25/.5 = 4.5

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

question mark
consider the figure of a single riveted lap joint as follows
Engineering Entrance Exams
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
Hello, Can we learn and prepare for MHT-CET online ?
Engineering Entrance Exams
0 Answer Available

Last Activity: 3 Year ago(s)