The final product of this reaction, [Cu(NH 3) 4]SO 4 H 20 is soluble in water. What will you add to the solution after you add the concentrated ammonia to cause this product to precipitate out of solution? 95% ethanol methanol isopropyl alcohol Nothing will be added. The precipitate will form when the solution is cooled in an ice bath. Nothing will be added. The precipitate that we will isolate will form as the concentrated NH3 is added to the solution of [Cu(H₂O)4]²+ QUESTION 6 You will isolate the [Cu(NH 3) 4]SO 4 H 20 product before you leave the lab on Day #1, but you will not weigh your product to determine the yield until Day #2. Why is it necessary to wait until the next lab period before you weigh the product to determine the yield? This is a long experiment, and there won't be time to weigh the product before class ends on Day #1. We wait to weigh the product to allow time for any water and/or ethanol to evaporate completely. If the product is "wet", the measured yield will be too high. ○ It will take several days for the solid to precipitate after we add the ethanol. It is not necessary to wait several to determine the yield. The mass of product isolated can be determined on Day #1.
The final product of this reaction, [Cu(NH 3) 4]SO 4 H 20 is soluble in water. What will you add to the solution after you add the concentrated ammonia to cause this product to precipitate out of solution? 95% ethanol methanol isopropyl alcohol Nothing will be added. The precipitate will form when the solution is cooled in an ice bath. Nothing will be added. The precipitate that we will isolate will form as the concentrated NH3 is added to the solution of [Cu(H₂O)4]²+ QUESTION 6 You will isolate the [Cu(NH 3) 4]SO 4 H 20 product before you leave the lab on Day #1, but you will not weigh your product to determine the yield until Day #2. Why is it necessary to wait until the next lab period before you weigh the product to determine the yield? This is a long experiment, and there won't be time to weigh the product before class ends on Day #1. We wait to weigh the product to allow time for any water and/or ethanol to evaporate completely. If the product is "wet", the measured yield will be too high. ○ It will take several days for the solid to precipitate after we add the ethanol. It is not necessary to wait several to determine the yield. The mass of product isolated can be determined on Day #1.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 112IL
Related questions
Question
![QUESTION 5
The final product of this reaction, [Cu(NH 3) 4]SO 4 H 20 is soluble in water. What will you add to the solution after you
add the concentrated ammonia to cause this product to precipitate out of solution?
95% ethanol
methanol
isopropyl alcohol
Nothing will be added. The precipitate will form when the solution is cooled in an ice bath.
Nothing will be added. The precipitate that we will isolate will form as the concentrated NH3 is added to the solution of
[Cu(H₂O)4]²+
10000
QUESTION 6
You will isolate the [Cu(NH 3) 4]SO 4 H 20 product before you leave the lab on Day #1, but you will not weigh your
product to determine the yield until Day #2. Why is it necessary to wait until the next lab period before you weigh the
product to determine the yield?
00
This is a long experiment, and there won't be time to weigh the product before class ends on Day #1.
We wait to weigh the product to allow time for any water and/or ethanol to evaporate completely. If the product is "wet", the
measured yield will be too high.
It will take several days for the solid to precipitate after we add the ethanol.
It is not necessary to wait several to determine the yield. The mass of product isolated can be determined on Day #1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd6cc73a6-72c8-4e2b-a22b-5b06a5805dfc%2Fa80d0fc8-3547-4fa1-968e-1beb1922978b%2F056umzc_processed.png&w=3840&q=75)
Transcribed Image Text:QUESTION 5
The final product of this reaction, [Cu(NH 3) 4]SO 4 H 20 is soluble in water. What will you add to the solution after you
add the concentrated ammonia to cause this product to precipitate out of solution?
95% ethanol
methanol
isopropyl alcohol
Nothing will be added. The precipitate will form when the solution is cooled in an ice bath.
Nothing will be added. The precipitate that we will isolate will form as the concentrated NH3 is added to the solution of
[Cu(H₂O)4]²+
10000
QUESTION 6
You will isolate the [Cu(NH 3) 4]SO 4 H 20 product before you leave the lab on Day #1, but you will not weigh your
product to determine the yield until Day #2. Why is it necessary to wait until the next lab period before you weigh the
product to determine the yield?
00
This is a long experiment, and there won't be time to weigh the product before class ends on Day #1.
We wait to weigh the product to allow time for any water and/or ethanol to evaporate completely. If the product is "wet", the
measured yield will be too high.
It will take several days for the solid to precipitate after we add the ethanol.
It is not necessary to wait several to determine the yield. The mass of product isolated can be determined on Day #1.
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