Two solutions are made, each with a concentration of 0.10 mol/L. One contains hydrobromic acid and one contains phosphoric acid.
The more acidic solution contains ________ as an acid because________.
Question 3 options:
A. H3PO4 because there are more hydrogens in the original chemical formula
B. HBr because the pH of the solution will be higher
C. HBr because more hydronium ions are made when it ionizes in water
D. H3PO4 because more hydronium ions are made when it ionizes in water
H3PO4 is a weak acid. It doesn't ionize completely.
HBr is a strong acid. It ionizes 100%.
Therefore, HBr is the stronger of the two because the solution contains more hydronium ions.
NOTE: In chemistry strong and weak acids/bases don't denote how fast they will eat into your hand. Strong means it ionizes 100%. Weak means it does not ionize 100%