Experiment 3 - Experiment 3 Chemical Proportionality...

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Experiment 3 – Chemical Proportionality: Carbonate and HCl This lab showed what occurs when a metal carbonate was added to an acid. A proportion was devised using the volume of the acid and the mass of the metal carbonate used. This lab showed the use of chemical stoichiometry in lab. First, lab groups were formed of two people. In the second part of the experiment sodium carbonate was mixed with three chemicals: water, hydrochloric acid, and acetic acid. Observations were made to see if sodium carbonate dissolved and if a chemical reaction had taken place. In the third part of the lab, sodium carbonate was mixed with different volumes of hydrochloric acid. There were two acid solutions of different concentrations. The volumes of the acid were 10mL, 20mL, 30mL, and 40mL. First, the sodium carbonate was weighed to determine the initial mass. Then, the sodium carbonate was added in small amounts to the beaker of acid until a reaction between the acid and the carbonate no longer occurred. Last, the carbonate was weighed again to determine how much was used to completely react with the acid. These steps
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Experiment 3 - Experiment 3 Chemical Proportionality...

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