Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
What is the pH scale used to measure? |
The strength of acidic and basic solutions.
|
|
|
Acidic solutions have what kind of pH value? |
a pH value less than 7 |
|
|
Basic solutions have what kind of pH value? |
a pH value greater than 7 |
|
|
The calculation of pH is based on what? |
The activity of hydrogen ions dissolved in solution. |
|
|
If activity values are not known what is used to determine the pH? |
a pH indicator |
|
|
What is the equation for finding pH? |
pH= -log (aH) |
|
|
Litmus paper will indicate red for: |
acidic solutions |
|
|
litmus paper will indicate blue for: |
basic solutions |
|
|
a larger number of hydrogen ions is associated with: |
an acidic solution
|
|
|
A smaller number of ions is associated with: |
a basic solution |
