а.Calculate the Natural Abundance of 40X and enter it into the chart.b.Calculate the isotopic mass of 40X and enter it into the chart.Mass (amu)Natural AbundanceSymbol(%)0.33735.9675536X38X40XAverage37.962720.06339.948

The given molecule X has 3 isotopes which are 36X, 38X, and 40X. Percent natural abundance of 36X…

Answered: a. Calculate the Natural Abundance of…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter3: Stoichiometry

Section: Chapter Questions

Problem 25Q: The atomic masses in die periodic table are relative masses and average masses. Explain.

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The atomic masses in die periodic table are relative masses and average masses. Explain.
Am I right? Sample 1 2 3 Calculations for sample 1 Mass of aluminum dish 1.24g 1.26g 1.24g - Mass of aluminum dish + Epsom salt 1.70g 1.94g 1.80g - Epsom salt, original (hydrated) mass 0.46g 0.68g 0.56g 1.70g – 1.24g = 0.46g Mass of aluminum dish + Epsom salt after heating 1.42g 1.62g 1.61g Epsom salt, heated (dehydrated) mass 0.18g 0.36g 0.37g 1.42g- 1.24g = 0.18g Mass of water 0.28g 0.32g 0.19g 0.46g – 0.18g = 0.28g Moles of magnesium sulfate 0.0015mol 0.0030mol 0.0031mol 0.18g x (1mol/120.37g)= 0.0015mol Moles of water 0.016mol 0.018mol 0.011mol 0.28g x (1mol/18.02g) = 0.016mol Ratio of moles water: moles of magnesium sulfate 32:3 18:3 11:3.1 0.016 : 0.0015= 32:3 Average Ratio Knowing that magnesium sulfate is heptahydrate, what is the % error on the mass percentage of water? Show all calculations. --> percentage error: 30.43% 1)…
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a. Calculate the Natural Abundance of 4°X and enter it into the chart. b. Calculate the isotopic mass of 40X and enter it into the chart. Mass (amu) Natural Abundance Symbol (%) 0.337 35.96755 36X 38X 40X Average 37.96272 0.063 39.948