Solutions

**pH Reading Guide

Please read these pages in our online textbook, then complete the reading guide questions.  

Questions:

  1. What is an acidic solution? Explain below and also list properties of acids.

  2. Sour

  3. Contains H+ Ions
  4. Corrosive

  5. What is a basic solution? Explain below and also list properties of bases.

  6. Bitter

  7. Contains OH- Ions
  8. Do Not react with metals

  9. What is a neutral solution?  

  10. Solution that contains equal concentrations of acids and bases.

  11. When the pH is 7 and the pOH is also 7

  12. What is pH?

A logarithmic Scale of Acidity, measuring the power of hydrogen concentration in the water.

  1. What is the numerical value of the pH for a neutral solution?

  2. 7

  3. What is the numerical range of the pH for an acidic solution?

  4. 0-6

  5. What is the numerical range of the pH for a basic solution?

  6. 8-14

  7. What are two common acidic substances? List the chemical formula & common name (you can find these in the video on the acid page)

  8. HCl (Hydrochloric Acid)

  9. HNO3 (Nitric Acid)

  10. What are two common neutral substances?

  11. Water

  12. Blood

  13. What are two common basic substances? List the chemical formula & common name (you can find these in the video on the bases page)

  14. NaOH (Sodium Hydroxide)

  15. KOH (Potassium Hydroxide)

  16. What is an indicator? 

  17. A solution that indicates a change in pH. i.e. BTB

  18. How is an indicator used in chemistry?

An indicator can be use to measure the pH of a solution

  1. Complete the following table by recognizing the pattern.
[H+] pH Acid or Base or Neutral
a. \(1 x 10^{-5} M\) 5 acid
b. \(1 x 10^{-7} M\) 7 neutral
c. \(1 x10^{-12} M\) 12 base
d. \(1 x10^{-2} M\) 2 acid
e. \(1 x10^{-8} M\) 8 base
f. \(1 x 10^{-11} M\) 11 base
g. \(1 x10^{-6} M\) 6 acid
h. \(1 x 10^{-14} M\) 14 base
i. \(1 x 10^{-1} M\) 1 acid
j. \(1 x10^{-4} M\) 4 acid

Last update: June 5, 2023
Created: June 5, 2023