Concentrations and strengths of acids Flashcards
1
Q
What is a solution made up of ?
A
A solution forms when a solute dissolves in a solvent
2
Q
What does a dilute solution contain?
A
It contains a relatively small amount of solute dissolved in it
3
Q
What does a concentrated solution contain?
A
It contains a relatively large amount of solute dissolved in it
4
Q
A solution of hydrochloric acid, with a concentration of 2 g/dm3, has a pH of 1.3. Predict its pH when it is diluted to make a solution with a concentration of 0.02 g/dm3.
A
The hydrogen ion concentration decreases by a factor of 100, so the pH increases by 2 from 1.3 to 3.3
