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General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Question
Chapter 6, Problem 6.98SP
Interpretation Introduction
Interpretation:
From the given molecular formulas, the correct formula for Decabrom compound has to be verified.
Concept introduction:
Molecular formula:
Molecular formula is same or multiple of empirical formula of the compound. Molecular formula lets us know the number of specific atoms present in the compound.
Number of moles = amount of mass of the elementmolar mass of the element
Mass percentage of the element = mass of the elementsample mass × 100
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Questions 4 and 5
For a titration of 40.00 mL of 0.0500 M oxalic acid H2C2O4 with 0.1000 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin;2) 15 mL; 3) 20 mL; 4) 25 mL; 5) 40 mL; 6) 50 mL. Ka1 = 5.90×10^-2, Ka2 = 6.50×10^-5 for oxalic acid.
Predict the major organic product(s), if any, of the following reactions. Assume all reagents are in excess unless otherwise indicated.
Chapter 6 Solutions
General Chemistry: Atoms First
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