Please do both According to Appendix D of your lab manual, how do you determine if a data point canbe ignored when calculating the average in General Chemistry?By using the Q-test at 90% confidenceBy using the Q-test at 95% confidenceBy using the standard deviation at 90% confidenceBy using the standard deviation at 95% confidenceThe spectator ions in the reaction between aqueous perchloric acid and aqueousbarium hydroxide are:H*, OH", CIO4", and Ba2+CIOA and Ba2+H* and Ba2+OH" and CIO4H+ and OH"

Answered: The spectator ions in the reaction…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Guanosine (C10H13N5O5) in solution has a maximum absorbance at a wavelength of 275 nm. The molar extinction co-efficient at this wavelength is 84M−1cm−1and the path length is 24.7 cm. Through the use of a spectrophotometer, it is found that the that A275= 1.48. What is the concentration of the guanosine solution in grams/litre? Molecular weights (g/mol): C-12, H-1, N-14, O-16 Select one: A. 0.201869 g/L B. 0.435188 g/L C. 0.059919 g/L D. 0.294046 g/L E. 0.000713 g/L
The main constituents in vinegar are water and ethanoic acid (CH3COOH). In order to determine the concentration of acid in homemade vinegar, a student titrated 25 cm3 of 001 M NaOH against the vinegar. The equation for the reaction is: CH3COOH(aq) + NaOH(aq) ® CH3COONa(aq) + H2O(l) The following titration results were obtained: Burette readings (cm3) Rough 1 2 Final burette reading 20.10 38.90 31.40 Initial burette reading 0.10 20.00 12.50 Volume of vinegar used 20.00 18.90 18.90 (a) What volume of vinegar should be used in the calculation? (b) What is the mole ratio of NaOH:CH3COOH? (c) Calculate the number of moles of alkali in 25 cm3 of NaOH solution used. (d) How many moles of acid were used in the titration? (e) Calculate the…
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The spectator ions in the reaction between aqueous perchloric acid and aqueous barium hydroxide are: H*, OH", CIO4, and Ba2+ CIO4 and Ba2+ H* and Ba2+ OH" and CIO4 H* and OH"

The spectator ions in the reaction between aqueous perchloric acid and aqueous barium hydroxide are: H, OH", CIO4, and Ba2+ CIO4 and Ba2+ H and Ba2+ OH" and CIO4 H* and OH"