the pH scale

Question 1

what is the pH scale?

Answer 1

a measure that shows the acidity of a solution

Question 2

what is the pH scale also known as and why?

Answer 2

“power of Hydrogen”

hydrogen ions are part of acids

Question 3

what is the range of the pH scale?

Answer 3

0-14

Question 4

the left end of the scale is ______

Answer 4

strong acids

Question 5

the middle-left part of the scale is _____

Answer 5

weak acids

Question 6

the middle-right part of the scale is _____

Answer 6

weak bases

Question 7

the right end of the scale is _____

Answer 7

strong bases

Question 8

strong acids have a ____ level of ___

Answer 8

high / [H+]

Question 9

weak acids have a ____ level of ___

Answer 9

low / [H+]

Question 10

weak bases have a ____ level of ___

Answer 10

low / [OH-]

Question 11

strong bases have a ____ level of ___

Answer 11

high / [OH-]

Question 12

how is the pH scale formed?

Answer 12

according to the concentration of hydrogen [H+] ions

Question 13

the more ____ there are, the more acidic the solution

Answer 13

[H+]

Question 14

the less [H+] there are, the ______ the solution

Answer 14

more basic

Question 15

every change of one unit on the scale represents a ____ change on the concentration of the solution

Answer 15

10x

Question 16

every time you move by one “pH unit”, the concentration changes by ____

Answer 16

10x

Question 17

what does [ ] indicate?

Answer 17

concentration