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100 mL of 0 .3 M acetic acid is shaken with 0 .8 g wood charcoal. The final concentration of acetic acid in the solution after adsorption is 0 .125 M . The mass of acetic acid adsorbed per gram of charcoal is

Options

  1. A1.05 g
  2. B0.0131 g
  3. C1.31 g
  4. D0.131 g

Correct answer

C. 1.31 g

Step-by-step solution

Mass adsorbed = 100 0.3 − 0.125 60 1000 = 1.05   g Mass adsorbed per gram of charcoal = 0.3 - 0.125 6 0.8 = 1.3125

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