Every solution has either has an acid or basic trait. The acid or basic trait in a solution are called pH level. pH is a scale that is used to determine if solution is acidic ‚basic‚ or neutral. During Living Environment class‚ we conducted a experiment that allowed us to measure the pH levels of 3 solutions. We were split into groups and each person had to bring a household solution from around the house. There certain materials that were needed to conduct the experiment .The following
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Alvarenga Lab Partner: Keren Appiahene Mussie Gide 10 September 2016 Experiment 2: Acid- Base Extraction Separation of an Organic Acid‚ a Base and a Neutral Compound Introduction: The extraction technique is often used in the organic lab to separate organic compounds from mixtures. One type of an extraction technique is the acid-base extraction‚ which is used to separate organic compounds from a mixture based on their acid-base properties.1 There are certain principles that must be taken into account when
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Acid-Base Strengths of Organic Compounds By: Chris Frankmore Due Date: February 15‚ 2011 Resonance Benzenesulfonic Acid Benzoic Acid Benzyl Alcohol Benzylamine P-Cresol P-Toluidine Acid/Base | Structure | pH | Why It is a strong/weak acid/base | Benzenesulfonic Acid | | 1 | This is a strong acid because it has a pH of 1. Another reason why this is a strong acid is that its conjugate base has strong resonance stabilization
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Acid-Base Titration Objectives: 1. To titrate a hydrochloric acid solution of unknown concentration with standardized 0.10M sodium hydroxide. 2. To utilize the titration data to calculate the molarity of the hydrochloric acid. Materials: See handout for more info. Procedure: See handout for more info. Data and Calculations: Table 1: Volume of NaOH Required to Neutralize 10.00mL of Unknown HCl Molarity of NaOh | Trial 1 | Trial 2 | Trial 3 | Trial 4 | Initial Volume of NaOH(mL)
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containing 0.745 moles of HCl? (A: 1.80 M HCl) 2. What is the molar concentration of an acetic acid (CH3COOH) solution containing 3.21 moles in 4.50 liters? (A: 0.713 M) 3. How many moles of KI are present in 125 ml of 0.500 M KI? (A: 0.0625 mol KI) 4. How many moles of ammonia (NH3) are present in .360 L of 2.13 M NH3 solution in water? (A: 0.767 mol NH3) 5. How many liters of water are required to prepare a solution of 7.25 M MgCl2 from 4.89 moles of MgCl2? (A: 0.674 L) 6
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chemical analysis‚ as water softeners‚ commercial products such as shampoos and food preservatives‚ medicine‚ heavy metal detox‚ and industrial applications. Citric Acid is one of the organic acids commonly used as a chelating agent. It is considered an excellent chelating agent that binds metals. It is used to remove lime scale from boilers and evaporators. It can be used to soften water‚ which makes it useful in soaps and laundry detergents. By chelating the metals in hard water‚ it lets these cleaners
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electrical conductivity of electrolytes and non-electrolytes activity demonstrated the physical propertiesand the conductivity of some solution. Electrical conductivity apparatusare dipped into a liquid in a beaker. Whenthe liquid contains significant concentrations of ions‚ the ions more between the electrodes to complete the circuit(which includes a light bulb).Tapwater and distilled water are examples of non-electrolytes. A solution of a weakelectrolytes‚ acetic acid (CH3COOH)‚ 5% sucrose solution;
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Example Lab Report Experiment 4 1. Judith Anthony‚” Strong Acid/Strong Base Titrations”‚ CHEM 1130‚ T.A-Joseph Kreft‚ Tuesday 8am‚Room 1871‚Donna Ellitnorpe. 2. Purpose of this experiment: The purpose of this experiment is to observe the neutralization reaction that occurs between strong acid and strong base solutions. The technique of titration is used to observe the acid content of the fluid in a car battery. 3. Procedure: Calculate the volume of 6.00 M NaoH that is needed
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HOMEOSTASIS GROUP 5 RESEARCHERS MUNASHE MUDUMISO R136670X TAWANDA CHIKUKUZA R136602Y JOHN MTINIWA R136553H LEARNMORE SHOTI R136619N WELLINGTON CHIPADZE R113616B MASIMBA Homeostasis is the ability to maintain a stable internal body environment in an ever changing outside world. It can also be said to be the body’s attempt to maintain a relatively constant internal environment in the face of constantly
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Homeostasis What is it? Maintenance of a relatively constant internal environment The human body is constantly responding to internal and external factors in order to maintain relative stability within the body Homeostasis is vital to the body as a whole‚ right down to each individual cell. If homeostasis is not maintained at the cellular level this will affect the body as a whole. History Claude Bernard (1813-1878): consistency of internal environment is the condition for free life.
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