Baking Soda And Vinegar Lab Report

Superior Essays
Experiment 1.
Title: How does the amount of baking soda affect its reaction with vinegar?
Aim: To find out how different amounts of baking soda (soda bicarbonate) affect the length of its chemical reaction with vinegar (acetic acid).
Hypothesis:
If the amount of baking soda is increased then the length of its reaction with vinegar will increase because there will be more soda bicarbonate for the acetic acid to react with.
Equipment:
 Baking Soda
 Vinegar
 5 glasses
 Safety glasses
 Measuring Spoons
 Stopwatch
 Scale
Variables:
-Independent variable: baking soda (soda bicarbonate)
-Dependent variable: length of reaction when baking soda and vinegar are mixed together (in seconds).
-Controlled variables: vinegar (acetic acid), glass,
…show more content…
Three trials were done and the average was calculated. To find the average, the three trials were added together and then divided, in each change of the amount of the baking soda.

The above graph shows the total time of chemical reaction vs. the amount of baking soda with trials 1, 2, 3 and the average. In the graph, a small pattern can be detected, that as the amount of baking soda increases, the time of reaction decreases. The pattern is not followed for the whole experiment however. It seems that there is a special amount of baking soda that is used to make the total time of its chemical reaction longer.
The above graph shows the total time of the chemical reaction vs. the amount of baking soda but with only the average numbers.
Discussion:
The hypothesis stated that as the amount of baking soda increases, the total time of its reaction with vinegar will be increased as well. However, that was not the case during the actual experiment. As discussed previously, the results followed a small pattern but not for the whole experiment. The results can be confirmed that are very reliable, since repeated trials were done, sometimes more than three. Controlled variables were also used and no information was

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