How would you prepare 500.0 mL of a 2.00 mol/L solution of HCI from a concentrated solution of 12.0 mol/L?
Carefully, and we adds acid to water. This is an important practical difficulty......
In fact the most concentrated hydrochloric acid you can buy is approx.
Here we use the ratio,
And so we take the quotient,
And so we take
Remember what I said about diluting conc. acid: