At the beginning of the experiment, the aspirin pill contains 325 mg of acetylsalicylic acid and weighs 400 mg. at the end of experiment, you obtain 110 mg of pure acetylsalicylic acid. what is the % recovery?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.