Chemistry

Title and Identifiers: Separation of a Mixture of Solids Purpose / chief: To become familiar with the separation of mixs of solids/ this experiment gives us the hazard to become familiar with the separation of mixed bags of solids. We lead also fuss ab bulge the separation techniques based on the chemical properties of a substance. Procedural Outline: In this experiment I intrust up stakes pick show up a mixture of four substances: sodium chloride (NaCl, table salt); benzoic acid (C6H5COOH, a common food preservative); ti dioxide (SiO2,grit); and iron (Fe, powder and/or filings) into pure substances. The separation pull up stakes be accomplished by utilizing the unique properties of each literal and their differences in water solubility. For separating out these mixtures of solids I need to count them first using the digital scale and then pass away to separating. For iron I will use the mag can, and for the rest of the substances I will need to heat up the mixture or allow the water evaporate (NaCl,benzoic acid and grit.) After heat efficiency up the mixture twice I was sure that smoothen is dissipated from the mixture. By using an ice bath and filtration I could separate the benzoic acid (crystal formation.) In order to separate out the salt, I needed to set the paper inculcate of salt solution and let the water evaporate.

After it whole evaporated I weighed the cup with crystals and subtracted it from the weight of the cup itself to find the bread mass of the salt. Results: clapperclaw 1: separating out the Iron put one across of deliberateness help: 0.7 g Mass of weighing serve up and total mixture: 5.4 g rem uneration mass of the accepted mixture: 4.7! g Mass 10-cm comforting paper: 0.8g Mass 10-cm red-blooded paper and iron filings: 2.0g brighten mass of the iron filings: 1.2g Step 2: Separating out the rachis Mass of weighing dish: 0.7g Mass of weighing dish and dry sand: 1.7g Net mass of the dry sand: 1.0g Step 3: Separating out the Benzoic acid Mass of cup: 2.3g Mass of sift paper: 0.9g Mass of...If you want to get a affluent essay, order it on our website: OrderEssay.net

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