circle the sentences that were true a. strong bases have a higher concentration of hydronium ions than pure water b. Strong bases dissociate almost completely in water. c. Stong bases have a pH below 7. d. Examples of strong bases include sodium hydroxide and calcium hydroxide

solute : a solute is a substance that is dissolved in another substance is known as a solvent. it is mixed with a special mixture know as homogeneous mixture.

solvent: a solvent is a substance that dissolved a solute, which results in a solution is known as solvent.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a