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  • Essay On The Difference Between Theoretical Yield And Stoichiometry

    When both solutions are mixed a white precipitate (Calcium Carbonate) is formed alongside Sodium Chloride. A clear colourless liquid is observed as the white precipitate is filtered through the filter paper.…

    Words: 1231 - Pages: 5
  • Evaporation Lab

    residue on the filter paper is the solid (we may or may not want to keep depending on the experiment). Evaporation is the separation of a liquid and a soluble liquid. In evaporation the solution is heated to the boiling point for the liquid to evaporate.…

    Words: 1119 - Pages: 5
  • Copper Sulfate Lab

    sulfate and tare weight of the beaker – Mass of 100 mL beaker = Mass of copper sulfate 53.84g – 50.89g = 2.95g The mass of the copper sulfate is 2.95g. 3. Mass of starch and tare weight of filter paper – Mass of the filter paper = Mass of starch 3.46g – 0.50g = 2.96g The mass of the starch is 2.96g. 4. Mass of water / Mass of Mixture #6 x 100% = Percent of water 32.68g / 38.59g x 100% = 84.68% The percent of water in the mixture is 84.68%. 5. Mass of copper sulfate / Mass of Mixture #6 x…

    Words: 2021 - Pages: 9
  • Recrystallization Essay

    purified compound, therefore there are many factors that affected the crystallization . One of the factors affecting our product was adding too much solvent at at time. Since too much solvent was added, p-hydroxybenzoic pure acid stayed dissolved in the solution, eventually the percentage recovered was lower than it should be. A high percentage yield is considered between 70-80% of the purified product, in order to obtain this results we need to use little solvent as possible. On the other…

    Words: 743 - Pages: 3
  • Gravimetric Analysis Colourimetry

    will form. As evident from using gravimetric analysis in the second task, choosing a compound with low insolubility proves very difficult to filter and separate from the filtrate, therefore, resulting in needing to filter the precipitate more than once and still ending up with a low percentage yield and high error calculation. However, the contamination of a precipitate does not significantly alter the results for colourimetic analysis, as evident from the absorbance and concentration calculated…

    Words: 1772 - Pages: 8
  • 6.03 Calorimetry Honors

    Percentage Yield of a Chemical Reaction Question: What is the percentage yield of the reaction of sodium carbonate and calcium chloride dihydrate (the dihydrate must be included with the molar mass calculation)? Predictions: Predict the mass of sodium carbonate and calcium chloride dihydrate that will be required to produce 1.90 grams of calcium carbonate: Therefore, the predicted mass of sodium carbonate is 2.0 grams and the predicted mass of calcium chloride…

    Words: 731 - Pages: 3
  • Double Salt Lab Report

    side of a 400-mL beaker. Experimenters cleaned the stem with a moistened pipe cleaner. They prepared a piece of quantitative filter paper, folded it in half leaving about 1 mm difference between the two long edges, fold it in half again leaving the same difference between the two edges, and tore off part of the paper that corresponded to being a small portion at one corner of the paper when it was only folded in half. Then they opened the paper, forming a cone so that three layers of the paper…

    Words: 1556 - Pages: 7
  • Percent Yield Of Copper And Calorimetry Essay

    The purpose of this experiment was to calculate the percent yield of copper after conducting series of chemical reactions. To study the % yield of copper in the copper cycle, the initial mass and final mass of copper was measured. The chemical reactions involved in the copper cycle are dissolution, precipitation, dehydration, and oxidation/reduction. First, copper was reacted with in a beaker to form (aq) and . The purpose of the dissolution reaction is to convert the copper into solutes in…

    Words: 756 - Pages: 4
  • Filter Paper

    From the data given in Table 1, there are a total of four mixtures present in the whole activity. This is because the main mixture which is the salt, sand, chalk, and water mixture can’t be separated using only one separation technique; it should be separated by parts. First, a filter paper was used to separate the salt and water from the chalk and sand. is the filtration process, a separation technique using a filter paper to separate solid particles in a liquid. Second, acid dissolution, using…

    Words: 678 - Pages: 3
  • Millipore Filter Paper

    Filtration of urine using Millipore filters (Dazo and Biles, 1974), Nucleopore filters, Nytrel filters or filter papers is the typical method for detecting excreted Schistosoma haematobium eggs (Peters et al., 1976). II) Immunological diagnosis: These methods are sensitive and specific, and useful in confirming the diagnosis (Bergquist, 1990). These tests are all time consuming and require a laboratory well equipped with proper instruments and trained persons (Xiang et al., 2003). Detection of…

    Words: 842 - Pages: 4
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