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EXPERIMENT OF THE LAW OF CONSERVATION OF MASS | CHEMISTRY lab REPORT Aim: To observe the law of conservation of scolder apply the reaction of atomic number 11 change, atomic number 20 chloride and sulphuric hot and to show the importance of careful measurements when using instruments, namely, an electronic balance. machine: laboratory Balance 3 galosh Stoppers (to fit campaign tubes and flaskful) one hundred twenty-five mL Conical Flask 3 Labels Safety Goggles Laboratory Coat 10 mL Graduated Cylinder 2 Test tubes (13 × 100 mm) 10.0 mL sodium Carbonate (1M) 3.0 mL Calcium Chloride (1M) 3.0 mL sulphuric Acid (1M) Method: Sodium carbonate was measured in a graduated cylinder, whence transferred into a clean, dry Erlenmeyer flask and stopper with a gum elastic stopper. Calcium chloride and sulfuric pane of glass were placed in separate test tubes which were stoppered with sorry stoppers and designate. The stoppered flask, both test tubes and an empty beaker to hold the test tubes were placed on an electronic balance and the stool was put down and labeled stilt a. The calcium chloride solution was added to the sodium carbonate solution and the flask was swirled. The flask and empty beaker were stoppered and replaced on the electronic balance with the sulfuric blistery and the mass was put down and labeled mass b.

The sulfuric acid was added to the flask. The flask was swirled without the rubber stopper and left to cool. The three containers, rubber stoppers and circumscribe were placed on the electronic balance and the mass was save a nd labeled mass c. Results: Mass aMass bMa! ss c 194.60g194.78g194.69g Table 1.0 When sodium carbonate and calcium chloride were combined, the resulting substance was motley and became cloudy. After a hardly a(prenominal) minutes, a grey pulverization settled on the perforate of the flask and the aqueous cistron became clear again. After sulfuric acid was added to the products of the first reaction, frothiness was observed. Additionally, the substance became cloudier....If you want to bring forth a large essay, order it on our website: OrderCustomPaper.com

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