A solution is made from CaCl, and MgCl2 so that [Ca*²] = 0.00050 M, [Mg*²] = 0.00050 M. A 0.05M solution of Na2Cr207 is added. Answer the following questions. Note: Ksp(CaCr2O7) = 4.8*107 Ksp(MgCr2O7) = 7.6*10-8 Which salt will be the first to precipitate? Na2Cr207 CaCr2O7 CaCl2
A solution is made from CaCl, and MgCl2 so that [Ca*²] = 0.00050 M, [Mg*²] = 0.00050 M. A 0.05M solution of Na2Cr207 is added. Answer the following questions. Note: Ksp(CaCr2O7) = 4.8*107 Ksp(MgCr2O7) = 7.6*10-8 Which salt will be the first to precipitate? Na2Cr207 CaCr2O7 CaCl2
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 42QRT
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![A solution is made from CaCl2 and MgCl2 so that [Ca*2] = 0.00050 M, [Mg*2] = 0.00050 M. A 0.05M solution of
Na,Cr207 is added. Answer the following questions.
Note:
Ksp(CaCr207) = 4.8*10-7
Ksp(MgCr207) = 7.6*10-8
Which salt will be the first to precipitate?
Na2Cr207
CaCr207
CaCl2
MgCr207
OM9CI2
What is the maximum [Cr2072] concentration that can be made to precipitate only one salt?
The initial CaCl, and MgCl, solution has a volume of 100cc. How many mL of the Na,Cr207 solution should be
added to only precipitate one salt? Answer in mL.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F487b29b5-0a8d-44f1-bbe8-2250f7827b20%2F101208a7-7f4f-42c7-a877-47aeec366b8c%2F8exurq_processed.png&w=3840&q=75)
Transcribed Image Text:A solution is made from CaCl2 and MgCl2 so that [Ca*2] = 0.00050 M, [Mg*2] = 0.00050 M. A 0.05M solution of
Na,Cr207 is added. Answer the following questions.
Note:
Ksp(CaCr207) = 4.8*10-7
Ksp(MgCr207) = 7.6*10-8
Which salt will be the first to precipitate?
Na2Cr207
CaCr207
CaCl2
MgCr207
OM9CI2
What is the maximum [Cr2072] concentration that can be made to precipitate only one salt?
The initial CaCl, and MgCl, solution has a volume of 100cc. How many mL of the Na,Cr207 solution should be
added to only precipitate one salt? Answer in mL.
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