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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

Amit Saxena , 12 Years ago
Grade upto college level
anser 1 Answers
Radhika Batra

Amount of oxalic acid initially present

    =(1×50)/1000×63=3.15 g

    Amount of oxalic acid after adsorption

    =50/1000×63/2=3.15/2=1.575 g

    Amount absorbed = 3.15 – 1.575 = 1.575 g

    Amount absorbed per gram = 1.575 × 2

                        = 3.15 gm

Last Activity: 12 Years ago
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