Unknown Sample Number_ 13 Mass of sample, g Final buret reading, mL Initial buret Trial 1 0.244 Molar Mass of an Unknown Acid Data Sheet 44.08 40.79 Trial 2 0.2427 47.30 26.4 Trial 3 0.2245 40.40 28.9 Trial 4 0.2418 44.20 41.2 Trial 5 0.2341 44.00 40.9

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Q: 1 H 2 Не 1.008 4.003 3 14 6 Li Be 6.94 | 9.012 BCNO 9 10 F Ne 10.81 12.011 14.007 15.999 18.998…

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Q: 3. Why must the filter paper be dried before obtaining the final mass?

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Q: Part D-Yield Calculations Which of the following errors could cause your percent yield to be falsely…

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Q: KD SP Zr Nb Mo Tc 85.468 87.62 88.906 91.224 92.906 Xe 95.95 [97] 101.07 102.91 106.42 107.87 112.41…

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Q: #1 #2 #3 Mass of flask + oxalic acid 64. 987 68.455 64.074 Mass of flask 64.681 68.152 63. Fole Mass…

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Q: Percent yield = the Reaction A NaHCO3(s) -> _NaOH(s) + CO2(g) Run 1: Initial grams of NaHCO3 %3D

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Q: He H 1.008 4.003 10 B C N O F Ne Li Be 6.949012 11 12 10.81 12.011 14.007 15.999 18 998 20.180 13 14…

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Q: 6 Measuring Mass of Monoprotic Unknown Acid Trial 1 Trial 2 Trial 3 8 Mass of unknown acid 10 0.3059…

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Q: Unknown # Unknown Sample # Unknown Sample # Unknown Sample # 67 A 67 B _67 C_ 10.5246 10.5103…

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Q: what is the empirical formula for unkown?

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Q: 1.03 2. H₂O2, H₂O Hg(OAc)2 H₂O, THF 1. BH3, THF 2. H₂O₂, OH- Br₂ CH₂Cl₂ (solvent) Br NaBH4 NaOH

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Q: H Не 1.008 4 Li Be 4.003 6 B CN oF Ne 10.81 12.011 14.007 15.999 18.998 20.180 13 10 5.94 9.012 11…

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Q: Run 2: Initial grams o

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Q: a) A 17.31 g sample of a hydrate of magnesium carbonate was heated, without decomposing the…

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Q: A chemist adds 340.0 mL of a 3.07 mol/L sodium nitrate (NaNO3) solution to a reaction flask.…

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.