Wednesday, September 21, 2011

How much water must be added?

if you are given 100 ml of potassium hydroxide with a pH of 12.0 and want to change the pH to 11.0 by adding water, how much water do you add? please help, thank youHow much water must be added?
a pH unit changes the concentration by 10 times



to go 10 times weaker from pH12 to pH 11



to dilute it 10X's....you must dilute the 100 ml KOH into 1000 ml



your answer is that you must add 900 ml of waterHow much water must be added?
?

No comments:

Post a Comment