A 0.100 M solution of NaOH is used to titrate a HCl solution of unknown concentration. To neutralize the solution, the volume of the titrant was 52.2 mL. The starting volume of the HCl solution was 25 mL. What's the concentration of HCl?

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