Students use a 2.5 M solution of diluted hydrochloric acid. The Molarity of the solution they end up with is 125 M. and had a volume of 5500mL. What volume of the concentrated HCI
did they begin with?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Modern weaponry has increased the number of deaths in wars and violent conflicts.

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.