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Precipitation

Acid Precipitation

The answers to the following questions will be answered in this research paper. Firstly, Acid rain is a type Of rain in which water droplets become acidic because of atmospheric pollution, like sulfur and nitrogen that is released from cars and factories. Another name for acid rain is acid deposition because acid precipitation can also …

Stoichiometry of a Precipitation Reaction

Experiment 3: Stoichiometry of a Precipitation Reaction Abstract:In this experiment the objectives were to try and predict the amount of product that was produced in the precipitation reaction of calcium carbonate by using stoichiometry. Then learn how to figure out the actual yield, theoretical yield and percent yield of the experiment. Experiment and Observation:The first …

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Determining the Limiting Reactant and Percent Yield in a Precipitation Reaction

Objectives: Observe the reaction between solutions of sodium carbonate and calcium chloride. Determine which of the reactants is the limiting reactant and which is the excess reactant. Determine the theoretical mass of precipitate that should form. Compare the actual mass with the theoretical mass of precipitate and calculate the percent yield. Materials: Balance0.70 M sodium …

Protein Precipitation Methods

Abstract There are many methods employed to precipitate proteins out of solution. In this experiment we manipulated many physical and chemical variables in order to achieve purification of a protein via precipitation. In the first part of the experiment we purified the protein casein by modifying it’s pH. In the second part of the experiment …

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