All of the work for this question has been done. The Professor asked an additional question that I am struggling with. The question is for part 3, “Why is there no nitrogen in the media?” Can you please explain? Thank you
All of the work for this question has been done. The Professor asked an additional question that I am struggling with. The question is for part 3, “Why is there no nitrogen in the media?” Can you please explain? Thank you
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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All of the work for this question has been done. The Professor asked an additional question that I am struggling with. The question is for part 3, “Why is there no nitrogen in the media?” Can you please explain? Thank you
![Part 1.
I am culturing a N2 fixing cyanobacterium and have the following media recipe for growing them:
To make 1 L of salt water add the following to fresh water:
24.55g NaCl
0.75 g KCI
0.21 g NaHCO3
0.036 g H3BO3
0.1157 g KBr
6.18 g MgSO4 7H20
4.07 g MgCl2 6H2O
1.47 g CaCl2 2H2O
What is the molarity of K, Na, Cl, Mg, and Ca in this solution?
What is the concentration of each ion (in g/kg) in this solution? Does that seem about right based
on what you know about seawater? (20 points)
Part 2.
Now, make up 1L stock solutions of each of the following (we'll skip the vitamins):
2.94 g NaF
17.4 g SrCl2 6H2O
6.8 g KH2PO4
0.11 g FeCl3 6H2O
0.012 g ZNSO4 7H2O
0.04 g MnCl2 4H2O
0.027 g NazMo04 2H2O
0.06 g CoCl2 6H2O
0.025 g CUSO4 5H2O
What is the molarity of each stock solution?
Part 3.
Now add 1 mL of each of the first 4 stock solutions (from part 2) to the seawater solution (from
part 1).
Now add 100 µL of the Zn, Mn, and Mo stock solutions (from part 2) to the seawater solution.
Now add 10 uL of the Co and Cu stock solutions (from part 2) to the seawater solution.
What are the final molar concentrations of each trace element in the final version of the seawater
solution (F, Sr, P, Fe, Zn, Mn, Mo, Co, and Cu (in µmol/L)?
What is the amount of each of these constituents in g/kg?
Do these concentrations seem about right?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fadca8183-f536-4768-a5dc-a2639f5a41ee%2Fb00d7b3e-da5b-4f49-ac70-584c928f8e1e%2Foiocx1d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part 1.
I am culturing a N2 fixing cyanobacterium and have the following media recipe for growing them:
To make 1 L of salt water add the following to fresh water:
24.55g NaCl
0.75 g KCI
0.21 g NaHCO3
0.036 g H3BO3
0.1157 g KBr
6.18 g MgSO4 7H20
4.07 g MgCl2 6H2O
1.47 g CaCl2 2H2O
What is the molarity of K, Na, Cl, Mg, and Ca in this solution?
What is the concentration of each ion (in g/kg) in this solution? Does that seem about right based
on what you know about seawater? (20 points)
Part 2.
Now, make up 1L stock solutions of each of the following (we'll skip the vitamins):
2.94 g NaF
17.4 g SrCl2 6H2O
6.8 g KH2PO4
0.11 g FeCl3 6H2O
0.012 g ZNSO4 7H2O
0.04 g MnCl2 4H2O
0.027 g NazMo04 2H2O
0.06 g CoCl2 6H2O
0.025 g CUSO4 5H2O
What is the molarity of each stock solution?
Part 3.
Now add 1 mL of each of the first 4 stock solutions (from part 2) to the seawater solution (from
part 1).
Now add 100 µL of the Zn, Mn, and Mo stock solutions (from part 2) to the seawater solution.
Now add 10 uL of the Co and Cu stock solutions (from part 2) to the seawater solution.
What are the final molar concentrations of each trace element in the final version of the seawater
solution (F, Sr, P, Fe, Zn, Mn, Mo, Co, and Cu (in µmol/L)?
What is the amount of each of these constituents in g/kg?
Do these concentrations seem about right?
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