Rubbing alchol sold in stores is aqueous 2-propanol, CH3CHOHCH3(aq). Rubbing alcohol is availible in concentrations of 70.0% and 91% 2-propanol by volume. To make 100. mL of 70.% aqueous 2-propanol, 70.mL of 2-propanol is dilute with enough water to produce a total volume of 100.mL. In a laboratory investigation, a student is given a 132mL sample of 91% aqueous 2-propanol to separate using the process of distillation.

Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid synthesis. an industrial chemist studying this reaction fills a 25.0l tank with 4.5 mol of sulfur dioxide gas and 4.5 mol of oxygen gas at 30.°c. he then raises the temperature, and when the mixture has come to equilibrium measures the amount of sulfur trioxide gas to be 1.4 mol. calculate the concentration equilibrium constant for the reaction of sulfur dioxide and oxygen at the final temperature of the mixture. round your answer to 2 significant digits.

What is the oxidation state of each individual carbon atom in c2o42−?

How many grams are in one mole of lead?