How many grams of na2co3 would be needed to prepare 500ml of a 4.00m solution of na2co3?

•hydration •dissociation •dissolving which one goes to which

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

Drag each pressure unit with the corresponding number to describe standard atmospheric pressure