2.0 ~g of activated charcoal is added to 100 ~mL of 0.5 M acetic acid (molar mass 60 ~g ~mol ⁻¹ ), shaken well and filtered. The concentration of solution is reduced to 0.4 M . How many grams of acetic acid is adsorbed on charcoal per gram?

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Correct answer: C. 0.3

Change in concentration =0.5-0.4=0.1 M Change in moles of acetic acid =0.1 0.1 aligned &=0.01 ~mol . & Mass absorbed =0.01 60=0.6 ~g . aligned Mass absorbed per gram of charcoal = 0.6 0.3 ~g

2.0 ~g of activated charcoal is added to 100 ~mL of 0.5 M acetic acid (molar mass 60 ~g ~mol ⁻¹ ), shaken well and filtered. The concentration of solution is reduced to 0.4 M . How many grams of acetic acid is adsorbed on charcoal per gram?

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