The effect on the pH of Distilled water‚ Potato Solution and Commercial Buffer‚ when Hydrochloric acid (0.1 mol/L) and Sodium Hydroxide (0.1 mol/L) is added Mahima Mandava Mrs. Haist September 23rd‚ 2014 SBI4U1 Background Information: The pH is the measurement of how acidic or how basic a substance can be. The pH scale is used to measure how acidic or basic a living cell can be. The pH scale ranges from 0-14; 0-6 being acidic‚ 8-14 being basic and 7 being neutral. There are many factors
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Lab Report: Acid and Base Indicator Lab The title of my lab report is “Acid and Base Indicator Lab” this lab is testing what household solutions area bases depending on what color they changed. You have to use the pH balance scale to determine Acid‚ Base‚ and Neutral. On this lab we used 7 different solutions to determine if it’s either base‚ acid‚ and neutral. These are ammonia‚ vinegar; drain cleaner‚ soft drink‚ baking soda‚ detergent‚ and lemon juice are the solutions that are going to be
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Acids & Bases: Reactions‚ Standardizations‚ & Titrations Experiments 21 & 22 Experimental Overview: The procedure for this experiment was carried out as instructed in the laboratory manual‚ Experiments in General Chemistry‚ 4th ed.‚ S.L. Murov‚ Experiment 21‚ Acids and Bases: Reactions and Standardizations‚ and Experiment 22‚ Acids and Bases: Analysis. There were modifications made by the instructor to dilute the 6M NaOH to 0.1M in 300mls
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Results: For the solutions acid and bases lab the results my group received are as followed. Procedure 5.1 were we had to measure the ph of the following substances Vinegar 4 Apple Juice 4 Black coffee 5 Baking Soda + Sprite 8 0.01mM HCl 4 0.1mM HCl 3 Distilled water 4.5 Tap Water 5 Procedure 5.2 -Test the ability of buffers Before Buffer After Buffer Water 4 Water 4 0.1M phosphate buffer 6.5 0.1M Phosphate buffer 6.9 0.1M NaCl 4 0.1M NaCl 4.8 Procedure 5
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4 Strong Acid and Weak Base Lab PURPOSE: To find the molarity of an unknown acidic acid. MATERIALS: 1. 250 mL beaker 2. 10 mL graduated cylinder 3. 50 mL beaker 4. Funnel 5. 125 mL Erlenmeyer flask 6. 50 mL buret 7. Ring stand 8. Strong acid 9. Weak base 10. Phenolphthalein 11. De-ionized water. PROCEDURES: 1. Fill the buret with a weak base and place it in the ring stand. 2. Fill the 50 mL beaker with 30 mL of a strong acid. 3. Fill
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Purpose: To find out if the Unknown substances are bases or acids. Materials: goggles aprons paper for data table graduated cylinder unknown I substance beakers/test tubes stirring rod litmus paper pH indicator paper pH color chart phenolphthalein scoopula eye-dropper digital pH meter magnesium ribbon calculator unknown II substance forceps sodium bicarbonate Procedures: Test the pH of the Unknown substances with litmus paper and pH indicator paper and match to color chart Test
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Anna Powell 2nd I.Title: Acid-Base Titrations AP Chemistry Laboratory #6 II.Purpose: The purpose of this experiment is to standardize a sodium hydroxide solution and use the standard solution to titrate an unknown solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus the
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Reacting Acids and Bases Lab Report Introduction Every liquid‚ except for distilled water‚ has either acidic or basic traits. An acid is sour tasting‚ and gives a sharp stinging pain in a cut or wound‚ and bases taste bitter‚ and feel slippery. A pH scale is used to determine what traits a liquid has; acidic or basic. The scale focuses on OH- (hydroxide ions) and H+ (hydrogen ions). The scale goes from 0 to 14. 7 is distilled water‚ as it is directly in the middle; neither acidic or basic. Acids are
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Acids and Bases Shane Purpose- To study the relationship between pH and metabolism. 10/21/13 Materials- see attached Per. D Biology Procedure- see attached Data and Results- see attached Theory- PH stands for the power of hydrogen. People refer to the pH scale as a tool for finding out if a substance is acidic‚ basic‚ or neutral. This scale goes from zero to fourteen. The number seven is neutral. Any number higher than seven on this scale is basic. Any number lower is acidic
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SULPHURIC ACID BY TITRATION WITH A STANDARD SOLUTION OF SODIUM HYDROXIDE INTRODUCTION Reaction of acid and base is one of the most common reaction in chemistry. This reaction is also widely known as neutralization. In this experiment‚ we used titration technique which involves accurately measuring the volume of a solution required to react with another reagent. An indicator must be used to determine the end point of the titration. The indicator used can change colors at different pH values.
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