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How to Solve Dilution and Concentration, pH and Buffers and Ways of Expressing Concentration Calculations ** **

Welcome to Part 3 of this 6-part calculations workshop presented by RxCalculations. We recommend that you turn off all notifications and distractions and solve along while watching the videos below. Putting into practice what you learn here will be well worth your time and attention.

### VIDEO #1. Dilution and Concentration Example 1

In this video, you'll review how to solve for final concentration of a preparation given the concentration and quantities of components to be combined .

### VIDEO #2. Dilution and Concentration Example 2

In this video, you'll review how to solve for final concentration of a preparation given the concentration and quantities of components to be combined .

### VIDEO #3. Dilution and Concentration Example 3

This video demonstrates how to solve a dilutions and concentration question using the alligation method.

### VIDEO #4. Ratio Strength

This video illustrates how to solve a ratio strength calculations problem.

### VIDEO #5. pH and Buffers

This video illustrates how to solve a pH and Buffer calculations problem using the Henderson-Hasselbalch equation.