An experimental procedure requires 10 ml of acid to be dissolved into a beaker of water. An additional 5 ml of acid is added to the solution. Which statement best describes the new solution?
Answer
A
the strength of the acid in the solution has been increased
B
the concentration of acid in the solution has decreased by one half
C
the concentration of acid in the solution has been increased
D
the strength of the acid in the solution has decreased by one half