Skip to main content

Learn From Home

Learning resources brought to you by Tucson Unified's Curriculum and Instruction

We've provided a rich selection of free, fun online learning sources in English language arts (ELA), math, science, and visual arts to supplement your learning. These are organized by grade level. Click the grade level for your child to get started!

Learn from Home - PreK

Learn from Home - Grades K-2

Learn from Home - Grades 3-5

Learn from Home - Grades 6-8

Learn from Home - Grades 9-12

How to Use This Page

This page contains a "menu" of lessons and activities for this week. You will find the objectives: the specific skills that you work on. Then you will find a selection of lessons and activities which help you practice and master those skills. If you run into technical issues or other difficulties with any of these, simply move on and choose another.


Please email or call your teacher.

Chemistry - Week Five

Printable Version of this lesson board in PDF format

High School Chemistry

Week 5 May 4-May 8

Weekly Packet

Topic: Acid and Base pH Calculations
Science Objectives: Students will be able to:

  • calculate hydronium and hydroxide ion concentrations for a solution given either value.
  • calculate the pH of a solution given the hydronium ion concentration.
  • relate the hydronium or hydroxide ion concentration and pH to the acidity, basicity, or neutrality of a solution.

Guiding Questions

How do we measure the amount of hydronium ion concentration in solutions?

How do we calculate the pH of solutions?


Acid: A compound which, when dissolved in water, gives a pH of less than 7.0, or donates a hydrogen ion.
Base: A substance that accepts a proton and has a pH above 7.0. A common example is sodium hydroxide (NaOH).
pH: A logarithmic scale used to specify the acidity or basicity of an aqueous solution. The pH scale approximates the negative of the base-10 logarithm of the molar concentration of hydrogen ions in a solution. At room temperature, pure water is neutral (pH = 7); solutions with a pH less than 7 are acidic and those with a pH greater than 7 are basic.
Concentration: The abundance of a constituent of a mixture divided by the total volume of the mixture. Several different definitions of concentration are widely used in chemistry, including mass concentration, volume concentration, and molar concentration.
Molarity: A measure of the concentration of a chemical species, especially of a solute in a solution, in terms of the amount of the species per unit volume of solution. Molarity is typically expressed in units of moles per liter (mol/L); a solution with a concentration of exactly 1 mol/L is commonly said to be 1 molar, symbolized as 1 M. Contrast molality.

Links and Apps

Click here for Office 365



Log-In Questions? See instructions on our Learn From Home page.

Free Meals for Kids!

TUSD Grab And Go Meals for Students
Grab-And-Go Info

Grab-And-Go Meal Routes resume Jan. 4. If you have questions or want information about alternative pick-up options, please email


Terms Of Use | Privacy Statement | | Login
Copyright 2021 Tucson Unified School District