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2nd period Chemical and Physical Changes Lab think: Experimentally check the limiting reactant in chemical reaction. Materials/ preventive: HCLGlassesScoopula footrace undergroundsTest render rackBaking powder BaloonsBalance cognitive operation: firstborn add 2.0 M HCL to the establish tubes. thence we designate to each one of three ballons as A,B,C and weighed them. Then weighed 3 portions of baking gamey pop music as it was shown in table column. Then we laid ballons and reweighed them to give birth accurate draw of baking tonic water in ballons. Then we guardedly placed ballons on test tube without spilling any of baking soda into flask. After that we elevate the fly so all solid went into liquid. When the reaction was complete, we carefully distant wallow, tied off and weighed. Then subtracted the mass of the ballon to get mass of gasolene produced. Data/Results: HCL in subwayBaking soda in BalloonActual mass of NaHCO3Mass ofGas producedO bservation Tube 112ml1.3 g1.13g1.

80gfizzer Tube 212ml2.5g2.5g2.15gFizzer Tube 312ml5.0g4.9g2.82gfizzer Conclusions: The amount of gas in the tubes did match my hypothesis. I persuasion the one with more or less mass would inflate most. The tube with more than chemical unceasingly gave more mass. The gas that filled the balloon was CO2. Error synopsis: Forgot to weigh ballon with Baking Powder in test tube 2 so had to average it. Comments: I did not the like this lab because it had a lot of calculations included.If you involve to get a full essay, order it on our website: OrderCustomPaper.com

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