Buffer solutions consist of an aqueous solution of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffer solutions are used to have better control of the pH of solutions.
An example of a weak acid and its conjugate base is acetic acid (CH3COOH) and sodium acetate (CH3COONa).
<em>Develop a hypothesis.</em>
Answer:
Define the Problem
Background Research
Write a Hypothesis
Carry Out the Experiment
Analyze Data
Draw a Conclusion
Explanation:
First of all, identify the first and last steps before figuring out the middle.
In order, the first and last steps should be
Define the Problem
...
Draw a Conclusion.
Next, you can add your answers in the middle, from beginning to end. That would be,
Define the Problem
Background Research
Write a Hypothesis
Carry Out the Experiment
Analyze Data
Draw a Conclusion
Let me know if this is inaccurate as I am learning everyday. Hope this helped!
The lack of a number preceding the carbon symbol C and the compound formula CO2 shows that there is one carbon atom and one carbon dioxide molecule. Subscript numbers in chemical formulas represent the number of atoms or molecules immediately preceding the subscript.