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28 Nov 2019

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How many total mL of 1 M NaOH could you add to the solution (50 mL of 0.1 M TRIS acid with 60 mL of 0.2 M TRIS base) and still have a good buffer (i.e. within one pH unit of the pK.)?

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Question 5

A. How many mL of 0.1 M CH3COONa must you add to 35.0 mL of 0.50 M CH3COOH to make a buffer of pH 4.7? [pKa of H3COONa is 4.75]

B. Use the Henderson-Hasselbalch equation to calculate how many mL of 0.1 M HCl must you add to 100 mL of 0.10 M Tris base to make a buffer of pH 8.8? [pka of Tris Base is 8.08]

C. What is the pH when 25.0 mL of 0.200 M of H3COONa has been titrated with 35.0 mL of 0.100 M NaOH? Write out the balanced chemical equation.

D. You need to produce a buffer solution that has a pH of 4.68. You already have solution that contains 15.0 mmol of H3COONa. How many millimoles of H3COONa should you add to this solution?

You need to make 50 mL of a 25 mM Tris buffer that has a pH of 8.40. Show calculations for and describe how you would make it if you had access to: â¢A) Solid Tris acid (Tris HCl) and solid Tris base â¢B) Solid Tris acid and 1.0 M NaOH â¢C) Solid Tris base and 1.0 M HCl

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I'm at a complete loss. Please show steps!

How many total mL of 1 M NaOH could you add to the solution (50 mL of 0.1 M TRIS acid with 60 mL of 0.2 M TRIS base) and still have a good buffer (i.e. within one pH unit of the pK.)?

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I'm at a complete loss. Please show steps! How many total mL of 1 M NaOH could you add to the solution (50 mL of 0.1 M TRIS acid with 60 mL of 0.2 M TRIS base) and still have a good buffer (i.e. within one pH unit of the pK.)?

Related textbook solutions

Basic Chemistry

Principles of Chemistry Molecular Approach

Principles of Chemistry Molecular Approach

Chemistry: Structure and Properties

Chemistry: A Molecular Approach

Chemistry: A Molecular Approach

Principles of Chemistry: A Molecular Approach

Chemistry: The Central Science

Related questions

Weekly leaderboard

I'm at a complete loss. Please show steps!

How many total mL of 1 M NaOH could you add to the solution (50 mL of 0.1 M TRIS acid with 60 mL of 0.2 M TRIS base) and still have a good buffer (i.e. within one pH unit of the pK.)?