Explanatory material that refers to the whole table and to specific entries belongs in footnotes. Include relevant previous work done by yourself or others.
That is what the conclusion section is for. Direct copying from a reference source is not acceptable. You may use this for your own personal use or for teaching purposes.
Restating the axis labels is not an appropriate title. The titre is calculated by subtracting the initial volume from the final volume. Ensure you add the appropriate units to your answers, and use a suitable degree of precision: usually two decimal places.
It is often convenient to connect various pieces of information with some discussion.
Give the chemical names of all compounds and the chemical formulas of compounds that are new or uncommon. Finally multiply by to get a percentage.
There are no graphs, charts, tables, or images in an abstract. The results of the experiment should be interpreted and where appropriate compared with each other.
If you have used measuring apparatus such as weighing scales for mass or glassware for measuring volumes then you may need to calculate the percentage error of the measuring apparatus. It is not appropriate to use the same notation for different terms in different parts of the text, nor is it correct to different notation for the same term in different parts of the text.