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Acids And Bases Lab Report

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Lab Report In this Lab Report at the end you will learn how to set it up and how to work it out I am going to be telling you how to write a Lab Report, this lab report will be about Acids and Bases lab I am looking for how you did it & how u set it up For your hypothesis/predictions you would need use what u used to do your lab do your work. Hypothesis/Prediction is what I would give u to do your work on and it tells you how to do everything what I have given you to do this lab is 11 Plastic cups, 10 Pipets, 10 Test Strip Pieces, Graduated Cylinder, Chart, Pencil/pen. In this lab you will learn what PH is and a PH is The p stands for potential and the H stands for Hydrogen, when you wait on other directions on what to do u have 11 cups sitting in front of you the have components what that means a part or element of a …show more content…

When you have everything in front of you and you see what u have and the chemicals what that means you have relating to chemistry or the interactions of substances as studied in chemistry, you will need to pour everything in the cup that you are able to pour into it when you pour everything in the cup you need to record on your paper what all happens with this experiment one if your components the UNIVERSAL INDICTOR COLOR that means the color what it is before you pour what you have to pour in there then t changes color one of your colors will be Black the Actual PH 10 you would pour Red Cabbage Indictor Color that would be Green. I am going to give u another example the Universal Indicator Color don’t for get that means what it is before you pour what you have to pour in there to see what happens, the second example is Red the Actual PH is 2 and it would change the color to pink the Approximate Ph means “A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, with 7 as the middle

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The lab started off by measuring critical materials for the lab: the mass of an an empty 100 mL beaker, mass of beaker and copper chloride together(52.30 g), and the mass of three iron nails(2.73 g). The goal of this experiment is to determine the number of moles of copper and iron that would be produced in the reaction of iron and copper(II) chloride, the ratio of moles of iron to moles of copper, and the percent yield of copper produced. 2.00 grams of copper(II) chloride was added in the beaker to mix with 15 mL of distilled water. Then, three dry nails are placed in the copper(II) chloride solution for approximately 25 minutes. The three nails have to be scraped clean by sandpaper to make the surface of the nail shiny; if the nails are not clean, then some unknown substances might accidentally mix into the reaction and cause variations of the result.

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Danielle Pitter CHEM 137 Professor D’Amelia 3/1/17 Extraction of a Neutral Compound from Acid and Base Impurities Discussion: The diethyl ether solvent is nonpolar; therefore, based on the expression like dissolves like, other nonpolar molecules will dissolve in it. The 9-fluorenone is a nonpolar molecule; therefore, it will dissolve in the nonpolar diethyl ether. The benzoic acid has a polar carboxyl group; however, the ring is nonpolar. The nonpolar ring in the benzoic acid is what makes it soluble in the diethyl ether.

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We then began to experiment combining water with vinegar (which we knew had an acidic pH around 3), and later with baking powder (which we knew had a basic pH around 9), to find the mixtures for a pH of 5 and of 9. We knew that pure

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At the start of the experiment, an unknown acid, the solute, was dissolved in DI water, the solvent, diluting the concentration of the acid. Phenolphthalein, an acid-base indicator--or a weak acid that changes color when the equivalence point is reached--was added to the solution. The solution was then titrated, a process by which a solution with a known concentration, NaOH, is added to an unknown solution, the acid, in order to determine its concentration. The reaction consisted of an unknown weak acid and NaOH, a strong base, making the reaction a weak acid-strong base reaction. Because NaOH is a strong base, the pH of the reaction--or the measure of the acidity of the solution by taking the negative log base ten of the hydronium concentration--would increase when titrating the unknown acid.

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Norah Albaiz CHMY143-016 Katie Link Lab Partner: Lydia Aman Standardization of Acids and Bases Purpose: The purpose of this experiment was to determine the unknown concentrations of NaOH, HCl, H2SO4, Ba(OH)2 by using a technique called titration. Titration is where the titrant is added from a buret to a known quantity of an analyte until the reaction is complete. Acid-base titration techniques can help determine the unknown concentrations of the analytes.

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The experiment for this report is 5, 6, and 7. In experiment 5 there are given a Sodium Hydroxide which is 4.126 g when it is weighted and a KHP also with the NaOH there’s two other experiment that are used to find the titration of molarity in the three chemical balances. In exp. 6 and 7 there using the NaOH to find titration in an acid and vinegar by going through three trails to see how much sodium hydroxide is pick in it until it turns light pink, however if it turns dark pink there’s an error in the trail.

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Practical I: Acid-base equilibrium & pH of solutions Aims/Objectives: 1. To determine the pH range where the indicator changes colour. 2. To identify the suitable indicators for different titrations. 3.

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