Sodium hydroxide is sold commercially as solid lye. A 0.308 g sample of lye required 22.5 mL of 0.250 M HCl to neutralize it. Calculate the percentage by mass of NaOH in lye.

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table