Question

In: Chemistry

A student reacts 81g of salicylic acid with 14 mL of acetic anhydride producing 2g of...

A student reacts 81g of salicylic acid with 14 mL of acetic anhydride producing 2g of acetyl salicylic acid. What is the percent yield of the reaction?

Expert Solution

The molar mass of salicyclic acid = 138.121 g/mol

the molar mass of acetic anhydride = 102.09 g/mol

moles of acetic anhydride

From the balanced chemical equation we know that for every mole of salicylic acid and acetic anhydride one mole of acetyl salicylic acid is produced.

Now to calculate how many gram of 0.586 mol of acetyl salicylic acid is

gram = Molar Mass of acetyl salicylic acid x mol of acetyl salicylic acid

Percentage yield = 1.39%

queen_honey_blossom answered 2 years ago

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