50mL of 1 oxalic acid is shaken with 0.5g wood charcoal. The final concentration of the solution after adsorption is 0.5M. What is the amount of oxalic acid adsorbed per gram of carbon?
A
3.15g
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B
3.45g
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C
6.30g
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D
10.08g
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Solution
The correct option is A3.15g
Total moles of oxalic acid=50m moles
Final concentration= 0.5M
Final number of moles= 0.5×50/1000×63=1.575g
Amount of oxalic acid adsorbed per gram=1.575×2= 3.15