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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A: Given data

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A: -------------------------------------------------------------------------

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Q: Calculate the solubility of NiS (Ksp = 4 x 10-20)

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Q: C4H8O₂ measured in CDCl3 (¹H-NMR 250MHz) ALL 4.15 4.10 4.0 3.5 3.0 2.5 I ¹H Fa 2.0 1.5 ZH 325.60…

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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.