Solubility product The Solubility product is related to SPARINGLY SOLUBLE SALTS ONLY!!!!! Examples are silver chloride‚ lead(II) chloride‚ calcium sulphate (in other words‚ it deals with salts commonly called insoluble salts) Consider a sparingly soluble salt MX Imagine the reaction that occurs when the solid is placed in water aMX (s) + H2O [pic] aMn+ (aq) + bXm- (aq) The equilibrium expression would be [Mn+]a [Xm-]b [MX]a [H2O]
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stone compositions are calcium oxalate‚ calcium phosphate‚ magnesium ammonium phosphate (struvite)‚ uric acid‚ and cystine. Calcium–based stones are the most common‚ causing more than 75% of cases‚ and calcium oxalate is the most common type of stone overall. A rare but increasingly recognized cause of nephrolithiasis is the use of the protease inhibitor indinavir in treating HIV patients. Kidney Stone type | Population | Circumstances | Details | Calcium oxalate | 80% | when urine is acidic (low
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Sodium Oxalate Sodium oxalate is the sodium or salt component of oxalic acid. Typically sodium oxalate is an odorless‚ white‚ and crystalline powder that decomposes at extremely high temperatures. Sodium oxalate is typically used as a reducing agent in most natural metabolic processes in plants and vegetables‚ and may also often be used as a primary standard for the standardization of potassium permanganate solutions. Like most other oxalates‚ sodium oxalates is highly toxic to humans
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CHEMISTRY 205 REDOX TITRATIONA. Purpose: • To learn some technique in volumetric analysis: Redox titration. • To review the stoichiometry of an oxidation- reduction reaction. • To determine the concentration of an unknown sodium oxalate (Na2C2O4) solution by titrating it against standardized potassium permanganate solution (KMnO4). • To determine the percent by mass of Fe(II) in the form of ferrous ammonium sulfate Fe(NH4)2(SO4)2.6H2O in a mixture by redox titration
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Alumina Yield in the Bayer Process; Past‚ Present and Prospects Edited by TMS (The Minerals‚ Metals & Materials Society)‚ 2007 ALUMINA YIELD IN THE BAYER PROCESS PAST‚ PRESENT AND PROSPECTS Roelof Den Hond1‚ Iwan Hiralal2‚ Ab Rijkeboer3 Alcor Technology‚ Clinckenburgh 10‚ 2343 JH Oegstgeest‚ The Netherlands 2 Hiracon‚ Prinses Irenelaan 2‚ 2273 DD Voorburg‚ The Netherlands 3 Rinalco‚ Helmlaan 16‚ 2244 AZ Wassenaar‚ The Netherlands 1 Keywords: hydrate‚ alumina‚ yield‚ liquor productivity
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NUTRIENTS IN BANANA PEELS Banana peels are also rich sources of potassium and contain much more soluble and insoluble fiber than their flesh. Dietary fiber promotes digestion and bowel movements and can reduce blood cholesterol levels. Banana peels also contain tryptophan‚ which increases serotonin levels in the body and affects mood‚ much like the drug Prozac does. According to "Prescription for Nutritional Healing‚" researchers in Taiwan discovered banana peel extract can ease depression because
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Taro corms are highly perishable owing to their high moisture content. Processing removes the water which reduces the bulk and also increases their storage life. The method of processing‚ ranging from simple boiling to elaborate fermentation‚ drying and grinding to make flour may vary depending on the varieties of roots and tubers. The taro flour production from fresh tuber soon after harvest serves as an effective procedure against storage loss. Converting fresh edible tubers to flours will avoid
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of light from the laser running through the solution‚ it has a strong Tyndall and a precipitate. In this reaction‚ the anion oxalate (C2O42-)combined with the cation calcium (Ca2+ ) because when the oxalate ion was dropped into the test solution containing the calcium ion‚ the calcium ion was no longer attracted to the water‚ but was instead attracted to the oxalate. This attraction resulted in a compound that is insoluble in water‚ a precipitate. The sodium and chloride ions are soluble in water
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In the second separation of this experiment‚ the Erlenmeyer flask with the first filtrate was put into a beaker so the filtrate was in the beaker. The beaker was then heated on a hotplate until near boiling. After the whey protein had precipitated‚ a vacuum filter was used to filter out the whey. These proteins were then air-dried. A qualitative test was done to indicate that the sample extracted was the protein whey. Again‚ a small test tube was used and 2 mL of protein test solution was put in
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sure to make all of the permanganate dissolve‚ of course‚ by stirring it thoroughly. I then weighed about 2 samples of sodium oxalate (.47 and .50 g) then placed them in some 200-ml Erlenmeyer flasks‚ then and added about 50 ml of distilled water to them as well. I then titrated the potassium permanganate solution after adding about 15 ml of 3 M sulfuric acid to the oxalate and heating the whole solution to about 60-90 C‚ using a magnetic stirring bar to help stir. I kept on slowly titrating at the
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