Brownian motion is not observed in a mixture that includes two phases. Which best identifies the mixture? a colloid a suspension
2 answers:
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Answer:
of acetic anhydride is needed
Explanation:
According to balanced equation, 1 mol of salicylic acid completely reacts with 1 mol of acetic anhydride
Number of moles = (mass)/(molar mass)
Molar mass of acetic anhydride = 102.09 g/mol
Molar mass of salicylic acid = 138.121 g/mol
So, of salicylic acid =
of salicylic acid
Hence, of salicylic acid reacts completely with
of acetic anhydride.
So, mass of acetic anhydride needed = =