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26 Nov 2019

This for the person who answersPART ONE of CHEM LAB Question(S) with graphs and calculations!Thanks! =0)

Here is the link to PART ONE of CHEMLAB Question (S)! (350pts)

http://www.cramster.com/answers-jan-11/chemistry/chem-lab-1-lab-tritrations-graps_1111619.aspx

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Bunny Greenfelder
Bunny GreenfelderLv2
7 Feb 2019

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Related questions

Here is the link to all the Data& Graphs, please HELP!!!

http://www.cramster.com/answers-jan-11/chemistry/darn-tit-160hello-160-working-lab-hours_1113872.aspx

HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP_HELP

Hereall the POST _ LAB_QUESTIONS_______I NEED SO MUCH HELP! I REALLYNEED HELP!! I AM HAVING SO MUCH TROUBLE! UGH!

  • Compare and contrastthe shapes of the four titration curves.
  • Why isthe derivative curve used to determine the equivalencepoint?
  • Fromyour work explain if phenolphthalein is the proper indicator forthe titrations.
  • Usingyour textbook as a reference, choose an appropriate indicator foreach titration. Justify your answer.
  • Consider the pH at theequivalence point for each of the titrations. Why are theydifferent? Why aren’t they all at pH=7.00?
  • Whatwould the titration curve look like if 0.1 M NaOH were in the buretand 0.10 M HCl were in the flask? Make a rough sketch to illustrateyour answer.
  • 
  • HEREIS THE LINK FOR THE EXTRA 25pts!
  • http://www.cramster.com/answers-jan-11/chemistry/extra-points-posti-link-posthttp-wwwcramstercom_1113950.aspx

Here is the first posting withall the data and graphs, if there is anything you need to completethe quesitons--- please Private Message me! Thanks! I hope you willhelp me!!! I am so STUCK! I have been working on this for hours Idon't get it! =0(

Here is the link:

http://www.cramster.com/answers-jan-11/chemistry/darn-tit-160hello-working-lab-hours_1113872.aspx

1. Determine the Ka for aceticacid using the data from the titration of acetic acid withNaOh.

  • Usethe midpoint and 3 other points before the equivalence point tocalculate the Ka.
  • Createa table showing the volume of titrant, concentration of conjugatebase, concentration of weak acid, and Ka you used for yourcalculation.
  • Include at least onesample calculation.

2. Determine the Kb forNH3 using the data from the titration of NH3with HCl.

  • Usethe midpoint and 3 other points before the equivalence point tocalculate the Kb.
  • Createa table showing the volume of titrant, concentration of conjugateacid, concentration of weak base, and Ka you used for yourcalculation
  • Include at least onesample calculation.

PLEASE HELP!!

Can someone help me with question 9 and 10. I've had a hard time since organ chemistry 1 with nucleophiles and electrophiles. Do some one have a easier explanation than my textbook

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