Magnesium hydroxide

values through calculation, the experimental data as well as the chemical reaction of calcium hydroxide was used for all calculations. The chemical equation is displayed below: The first experiment determined the molarity of OH- and Ca2+, the Ksp and the ΔG for saturated calcium hydroxide at 21°C. In order to determine these values, the experimental data as well as the chemical reaction of calcium hydroxide was used. The molarity of OH- and Ca2+ was discovered to be 0.028 M and 0.014 M…

For the following lab, the purpose is to utilize titration to determine the amount of ascorbic acid (vitamin C) present in a substance by reacting it with potassium bromate. An oxidation reaction takes place with ascorbic acid to produce dehydroascorbic acid, using an excess of bromine. The total amount of bromine utilized during the experiment is determined utilizing a back titration, in which the bromine is reacted with bromate. One mole of bromate produces three moles of bromine and the…

Buret was rinsed with water and NaOH, and followed by filling with NaOH solution made in the first week of lab. An acid of unknown concentration was prepared by the instructor and given for analysis. 25.00 mL of the acid was transferred into an Erlenmeyer flask using a volumetric pipette and 2-3 drops of phenolphthalein were added. The resulting solution was titrated with NaOH to achieve the faint pink endpoint and [unknown] was calculated according to the volume of NaOH used. The purpose of…

CONCLUSIONS: The purpose of this experiment was to find the concentration of the unknown base (NaOH) through a titration. In the experiment, it took 0.95 mL of NaOH with a concentration of 0.53 moles to neutralize 5.0 mL of a 0.100 M of HCl. In the expected result, the concentration of the NaOH was 0.50 moles. The percent error for the lab was only 6%, which means the lab had a fairly high accuracy. Differences between the expected results and the actual result would be caused by the sources of…

While magnesium strip heated, sodium hydroxide and copper chloride mixed and hydrochloric acid added to sodium bicarbonate are chemical change. For task 1, we measure 100ml of water, weigh 5g of table salt and mix the 5g of salt and 100ml of water. Stir until change is seen. Finally, observe and collect data. For task 2, we measure a 2cm strip of magnesium and place 2cm strip of magnesium in a heated crucible. Finally, observe and collect data. For task 3, we measure 10 drops of sodium hydroxide…

Magnesium ion is required for generating Ser102 nucleophile Stec et al. suggested a reaction mechanism involving three metal ions, which is modified from the two metal ion catalysis theory proposed by Kim and Wyckoff (16). As mentioned, Ser102 acts as a nucleophile and facilitates the departure of an alcohol group during the first step of this reaction. In order for this occur, Ser102 has to be deprotonated. X-ray crystallography has been used to examine the mechanism of alkaline phosphatase.…

INTRODUCTION: Indigestion is difficulty digesting food; it causes pain or discomfort in the stomach. Most commonly, people suffer from indigestion by overeating, drinking alcohol while eating, or eating greasy, fried or spicy foods. Acid in the stomach helps digest food and prevents infection. Mucus lines the stomach, bowel and oesophagus and acts as a barrier against the acid. If the layer of mucous gets damaged, the stomach acid can aggravate and cause inflammation to the stomach; this leads…

Assignment: Chemistry of Magnesium and Silicon Magnesium Properties Magnesium is a group is a group 2 element with the symbol, Mg, an atomic number of 12 and has a molar mass of 24.31 [1]. It is made up of 12 protons, 12 neutrons, and 12 electrons. It’s electron configuration is 1s2,2s2,2p6,3s2 this given as noble gas configuration is [Ne]3s2. It has a melting point of 650 °C and a boiling point of 1090 °C [2]. It has a metallic radius of 150 pm, a coordination number of 72(6), and a density of…

Alkaline phosphatase catalyzes the hydrolysis and transphosphorylation of phosphomonoesters (1). A kinetic reaction scheme of AP is presented in Figure 2. Figure 2: Kinetic reaction scheme of alkaline phosphatase (11). Under the hydrolysis reaction, free phosphate and an alcohol molecule are released from the active site. The rate-determining step of this reaction is pH dependent. Transphosphorylation has similar initiate steps as hydrolysis. However, phosphate cannot exit the active site,…

Magnesium Magnesium is one of the best elements you can own it’s a 3rd period element its part of the alkaline earth metal family. Magnesium is a metal and it’s a solid, with a isotope of 24 and really high energy level. Buy magnesium it’s going to be your favorite purchase you will ever make you won’t regret it. Magnesium was discovered in 1808 by a guy named Sir Humphrey Davy but it was first experimented by joseph black. The Country it was discovered in was England in the United Kingdom.…