because the bone is largely made up of calcium salts. The vinegar broke the calcium phosphate down‚ leaving only collagen left. As we learned collagen is flexible so this made the bone bended easily. Calcium gives bone its strength and durability. Each time I changed the vinegar I was dumping the extracted calcium out. This shows how much of an important role calcium plays‚ without it bones would be flimsy. It also reveals how the structure of bone‚ having calcium‚ allows it to function properly for
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dish and Na2CO3 __1.4__g Net mass of the Na2CO3 __0.7__g Step 6: Mass of filter paper __0.7__g Step 10: Mass of filter paper and dry calcium carbonate __1.2__g Net mass of the dry calcium carbonate _0.5___g (This is the actual yield) Step 11: Show the calculation of the theoretical yield of calcium carbonate. The mole ration between CaCl2-.2H2O and CaCO3 is 1:1 that means that if we have 0.00680 moles of CaCl2-.2H2O we will get 0.00680 moles CaCO3
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Calcinosis cutis is rare condition signified by calcium deposition in skin and subcutaneous tissues. In all cases of calcinosis cutis‚ insoluble compounds of calcium are deposited within the skin due to local and/or systemic factors. These calcium salts consist primarily of hydroxyapatite crystals or amorphous calcium phosphate. It is commonly seen in blacks‚ and no apparent gender predilection is noted (6‚7) From the pathogenesis point of view‚ the condition is classified as metastatic‚ dystrophic
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the amount of product that was produced in the precipitation reaction of calcium carbonate by using stoichiometry. Then learn how to figure out the actual yield‚ theoretical yield and percent yield of the experiment. Experiment and Observation: The first step in the experiment was to weigh 1g of CaCl2 +2 H2O‚ then pour it into the 100mL glass beaker with 25mL of distilled water and then stir it to make the solution calcium chloride. The next step was to calculate the amount of Na2CO3 I needed for
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Water hardness is a measure of the amount of calcium and magnesium carbonate dissolved as Ca 2+ and Mg 2+ in water. There are no health hazards associated with water hardness‚ however‚ it causes scaling‚ as well as forming of soap suds. Compleximetric titration is one of the best ways of measuring total water hardness using a standard ethylenediaminetetraacetic acid (EDTA) solution. EDTA solution is used as it has the ability to easily bind with calcium and magnesium ions. EDTA and Ca2+ react at the
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the Lab Report Assistant section. This experiment will create a reaction of sodium carbonate and calcium chloride dihydrate to produce a precipitate of calcium carbonate. This formula is: Na2CO3(aq) + CaCl2. 2H2O(aq) à CaCO3(s) + 2NaCl(aq) + 2H2O 1. Put on your goggles. 2. Weigh out 1.0 g of CaCl2·2H2O and put it into the 100-mL beaker. Add 25 mL of distilled water and stir to form the calcium chloride solution. Use only distilled water since tap water may have impurities that interfere with
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Tutorial 1 1. pK = 3.4 DH = ASA Plasma pH = 7.3 Stomach pH = 1.5 = 10pH – pK = 10pH – pK = 107.3 – 3.4 = 101.5 – 3.4 = 7943.2823 = 0.01259 [Total Drug] = [D-] + [DH] [Total Drug] = [D-] + [DH] = 7943.2823 + 1 = 0.0126 + 1 = 7944.2823 = 1.0126 [Total Drug] in stomach relative to plasma = 7944.2823/1.0126 = 7845.43 Conclusion: High absorption of ASA from the stomach lumen. Absorption from stomach is 7845.43 times
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BRICJ A Brick is a block‚ or a single unit of a ceramic material used in masonry construction. Typically bricks are stacked together‚ or laid as brickwork using various kinds ofmortar to hold the bricks together and make a permanent structure. Bricks are typically produced in common or standard sizes in bulk quantities. They have been regarded as one of the longest lasting and strongest building materials used throughout history. In the general sense‚ a "brick" is a standard-sized weight-bearing
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and Na2CO3 __0.72__g Net mass of the Na2CO3 ___0.12_g Step 6: Mass of filter paper __1.0__g Step 10: Mass of filter paper and dry calcium carbonate __1.7__g Net mass of the dry calcium carbonate ___0.7_g (This is the actual yield) Step 11: Show the calculation of the theoretical yield of calcium carbonate. .0068 mol of CaCO3 *100.06 g CaCO3/1mol of CaCO3 =.6804 g of CaCO3 Show the calculation of the percent yield. (Actual yield/theoretical yield)*100
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devices (i.e. infusion pump). • Patients must meet the following criteria prior to initiation of the Potassium‚ Magnesium‚ or Phosphorus protocols: o SCr < 2 mg/dL o Weight > 40 kg • The electrolyte replacement protocols‚ Calcium chloride (Level I areas only) or Calcium gluconate (all levels of care)‚ Magnesium sulfate‚ Potassium chloride‚ or Potassium Phosphate‚ may be ordered individually or in combination. POTASSIUM REPLACEMENT PROTOCOL – INTRAVENOUS • Recommended rate of infusion is 10
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