Please Give All 3 answer.
Q1) A student was given a sample of crude salicylic acid torecrystallize. The initial mass of the crude acid was 131 mg. Themass after recrystallization was 121 mg. Calculate the percentrecovery from recrystallization.
Q2) If 91.0 g of oxalic acid and 79.0 g of methanol react toform 89.0 g of dimethyl oxalate and water, what is the percentyield?
Q3) A student measures out exactly 0.109 g of salicylic acid andruns the experiment as dictated in the lab manual. They obtain0.101 g of aspirin. What is the percent yield for theirreaction?
