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Alyanna McGrath10/09/18Percent Composition of Sodium Bicarbonate in Alka-Seltzer LabPurpose:To find the percent by mass of sodium bicarbonate in an alka-seltzer tablet.Procedure:Trial 1:1. The mass 100mL beaker was recorded.2.The beaker was filled with 50mL of water and the mass was taken.3.The mass ofthe tablet of Alka Seltzer was measured.4.The tablet of Alka Seltzer was placed in the beaker and left to dissolve.5.5 mL of vinegar (acetic acid) was placed in the beaker, and stirred.6. 5mL of vinegar was placed in the beaker two more times, to ensure the reaction occurredcompletely.7. After it could be seen that all the CO2 had left the system, the final mass of the beaker wastaken again.Trial 2:1.The mass of a 100ml beaker with 50mL of water was recorded.2. The mass of a tablet of Alka Seltzer measured.3. The mass of 15mL of vinegar was taken then placed in the beaker .4.The tablet of Alka Seltzer was placed in the beaker.5.The beaker was stirred until no bubbles were seen, an the reaction was complete.

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Term
Winter
Professor
stuff like that
Tags
Chemistry, Mass, Lab Report, sodium bicarbonate, Alka Seltzer

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