------------------------------------------------- Hydrochloric acid From Wikipedia‚ the free encyclopedia (Redirected from Muriatic acid) Not to be confused with hydrogen chloride. Hydrochloric acid | | | | Other names[hide] * Muriatic acid[1] * Spirits of salt[2] | Identifiers | CAS number | 7647-01-0 | ChemSpider | 10633809 | UNII | QTT17582CB | EC number | 231-595-7 | ChEMBL | CHEMBL1231821 | ATC code | A09AB03‚B05XA13 | Properties | Appearance | Colourless
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Acid-Base Titrations: Analysis of Antacid Tablets Cuenca‚ Carlo Nicolo B. Del Prado‚ Rockson D. MEB21 Bachelor of Science in Biology – Major in Medical Biology College of Science De La Salle University – Dasmariñas Dasmariñas‚ Cavite Philippines ABSTRACT This experiment was performed to learn the technique of acid-base titration and to compare the efficiency of commercially available antacids by looking at their weight of HCl and weight of antacid values. The analysis of antacid
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The Importance of Calcium Ions Alyssa Foels 12 February 2015 Kilfe Calcium is a cation‚ a positively charged atom‚ and it is essential to all living things. It was first discovered in 1808 by Humphrey Davy. When forming an ionic bond with other elements‚ calcium loses electrons to make its valence shell stable. This means that it has more protons than electrons‚ making it have a slight positive charge (Calcium). Calcium has many roles and functions in the human body. Calcium ions are the most
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Gravimetric Determination of Calcium ABSTRACT Determining the mass of a pure compound is a method of a gravimetric analysis. One of the gravimetric analyses is the precipitation; it is a method of separating the analyte from the unknown sample as a precipitate where it will be filtered and converted into a known composition that can be weighed to determine its mass (Skoog et al‚ 2013). Determining the mass of calcium by using gravimetric analysis was the objective of the experiment. A 25 mL of unknown
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As a liquid evaporates‚ it lowers the temperature of the substances around them‚ because evaporation is an endothermic process. In the graph‚ each substance has a different curve. Some lowered the temperature much more than others. This is because different substances require differing amounts of energy to evaporate. To test this‚ the temperature change from the evaporation of 4 different alcohols was measured and compared‚ along with cyclohexane. Methanol had the largest change in temperature‚ 18
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Acids And BAses Acids And BAses 8.1 8.2 8.3 8.4 18.1 18.2 18.3 18.4 18.5 Theories of acids and bases Properties of acids and bases Strong and weak acids & bases The pH scale Calculations involving acids and bases (AHL) Buffer solutions (AHL) Salt hydrolysis (AHL) Acid-base titrations (AHL) Indicators (AHL) 8 8.1 THeORies OF Acids And BAses 8.1.1 Define acids and bases according to the Brønsted–Lowry and Lewis theories. 8.1.2 Deduce whether or not a species could act as a Brønsted–Lowry
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CHAPTER 1 EXECUTIVE SUMMARY 1 This project focuses on the growth of Calcium supplement segment over two decades. This project gives us an insight into the dietary segment of pharmaceutical industry particularly the calcium supplement segment. The project is started with the introduction of Indian pharmaceutical industry and it‘s growth from three decades. Moreover in this project‚ the rising importance of patents & its effects (advantages & disadvantages) on the pharmaceutical industry
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Title:Extraction:Extraction with acid and alkaline Objective: 1. To recover benzoic acid and p-dichlorobenzene from its mixture using acid-alkaline extraction. 2. To determine the percentage recovery and melting point of benzoic acid and p-diclorobenzene. Apparatus:Separatory funnel(250mL)‚Buchner funnel‚beaker. Materials:Benzoic acid‚p-dichlorobenzene‚ether‚10% NaOH‚conc.HCl‚distilled water‚ anhydrous CaCl2. Introduction: Organic compounds in an aqueous mixture can be separated
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Experiment 11 Title: Spectrophotometric analysis of caffeine and benzoic acid in soft drink. Name: Tan Herh Lim Name of partner: Sia Ting Wai‚ Chong Zheng Yee Date: Lecturer: Dr. Neo Kian Eang Practical class: P1 Objective: To obtain the absorbance of the caffeine and benzoic acid in soft drinks. Introduction Soft drinks that commonly found in our daily life contain caffeine and sodium benzoate. The caffeine act as a stimulant and the sodium benzoate acts as a preservative
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Direction and Concentration Gradients Experiment 1. For each of the bags‚ identify whether the solution inside was hypertonic‚ hypotonic or isotonic in comparison to the beaker solution it was placed in. Bag #1’s solution was hypotonic compared to the solution of beaker #2. Bag #2’s solution was also hypotonic compared to the solution of beaker #2. Bag #3’s solution was isotonic compared to the solution of beaker #2 and Bag #4’s solution was hypertonic compared to the solution of beaker
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