Describe the preparation of 500 mL 0.50 M K2Cr2O7  solution using solid K2Cr2O7 (purity: 99.8%). What is the volume of NaOH needed to dilute 1.50 M NaOH to 250 mL of 0.10 M. Calculate the volume of 0.1 M HCl needed to react with 50 mL of 0.89 M NaOH. Consider the reaction of  10 g KClO3 and  5g P4. Identify the limiting reagent Identify the excess reagent How much product is formed? (Calculate per product)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 87QRT: You need 300. mL of 0.500-M K2Cr2O7. Which method is best to prepare this solution? Explain your...
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  1. Describe the preparation of 500 mL 0.50 M K2Cr2O solution using solid K2Cr2O(purity: 99.8%).
  2. What is the volume of NaOH needed to dilute 1.50 M NaOH to 250 mL of 0.10 M.
  3. Calculate the volume of 0.1 M HCl needed to react with 50 mL of 0.89 M NaOH.
  4. Consider the reaction of  10 g KClO3 and  5g P4.
    • Identify the limiting reagent
    • Identify the excess reagent
    • How much product is formed? (Calculate per product) 
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