An aqueous solution contains 0.31 M hypochlorous acid. One Liter of this solution could be converted into a buffer by the addition of:

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.