ph math
droptop
7.03AssignmentpHMathHonors.docxCVA Chemistry
Module 7
7.03 pH Math (Honors)
|
|
Review notes on Page 4 of this lesson:
pH = -log [H3O+]
[H3O+] × [OH-] = 1.0 × 10-14 M
[H3O+] = 10-pH
|
|
|
Using the math formulas above, calculate pH, [H3O+] and [OH-]. Determine whether a solution is acidic, basic or neutral based on these values. |
|
|
SHOW ALL YOUR WORK!!
1. Given pH = 8.55 Find: [H3O+] and [OH-] Is this acidic, basic or neutral?
2. Given pH = 3.50 Find: [H3O+] and [OH-] Is this acidic, basic or neutral?
3. Given [H3O+] = 3.67 x 10-8M Find: [OH-] and pH Is this acidic, basic or neutral?
4. Given [H3O+] = 9.89 x 10-3M Find: [OH-] and pH Is this acidic, basic or neutral?
5. Given [OH-] = 5.5 x 10-10M Find: [H3O+] and pH Is this acidic, basic or neutral?
6. Given [OH-] = 8.5 x 10-2M Find: [H3O+] and pH Is this acidic, basic or neutral?
7. Given [OH-] = 3.75 x 10-5M Is this acidic, basic or neutral? How do you know?
8. Given [H3O+] = 3.75 x 10-3M Is this acidic, basic or neutral? How do you know?
9. Given pH = 6.75, Is this acidic, basic or neutral? How do you know?
10. Given [H3O+] = 1.00 x 10-7M Is this acidic, basic or neutral? How do you know?
|
|
|
Save and Submit to 7.03 pH Math (Honors) |
