Psing your calculated concentration from the graph (in mol Cu2+/L) and the concentration ofthe unknown solid in the solution (2.00 grams/100 mL), what is the molar mass (g/mol) of theunknown copper(II) compound (either cucl2*2H2O or CuSO4 5H2O)? Show all of your workwith correct dimensional analysis, units, and significant figures.Concentration from graph of molarity: 0.8 g/LConcentration of Unknown: 0.0883Post Lab Graph2.5y 13.604x + 0.0433R=0.99681510.5R-0.3395-0.020.040.060.080.10.120.140.16Molarity (Mol Cu2+/L)Absorbance (AU)2.

Answered: Image /qna-images/answer/50771613-8fe9-44b1-92b9-b3ada55ec69f.jpg

Answered: Using your calculated concentration…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Subject: chemistry
You just made a 1.5M permanganate solution. What concentration is your potassium permanganate solution in percent? "K: 39.10 g/mole" "Mn: 54.94 g/mole" "O: 16 g/mole" "MW of KMnO4 is 158.04 g/mole" O a. 0.24% Ob. 20.1% O c. 15.8% O d. 23.7% O e. 2%
How many liters of a 7 M NaOH stock solution would you need to make 780 mL of a 153 mM NaOH dilution? (m.w. = 40.00 g/mol)
Norepinephrine solution is available in 4 mL ampoules containing 1 mg of norepinephrine per mL. The solution must be diluted prior to administration. If a physician orders a 1.6 mg% (w/v) dilution in sodium chloride injection, how many mL of the sodium chloride injection must be added to the contents of one 4-mL ampule? Round your answer to the nearest whole milliliter.
An analytical chemist is titrating 205.5 mL of a 0.5600M solution of hydrazoic acid (HN3) with a 1.100M solution of NaOH. The pK of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 111.8 mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places. pH = 0
It required 66.66 mL of 2.000 M HBRO3 to titrate (neutralize) 50.00 mL of an Al(OH)3 solution. What is the molarity, M, of the aluminum hydroxide solution ? 3 HBRO3 + Al(OH)3 З Н-0 + Al(BrOз)з Answer a few questions before giving the final answer in the last problem. How many moles of Al(OH)3 are required to neutralize the acid ? A. 0.3999 mol B. 0.1333 mol C. 0.09998 mol D. 0.04444 mol
950 mL of 1X CuSO₄ * 5H₂O solution from 25X CuSO₄ * 5H₂O solution
If your 16x concentrated stock solution contains 20g of NaCl per liter, how much Nacl would one liter of your working solution contain? Round your result to 2 decimal points. g of Nacl
Determine the molar mass of Mn(CIO, ).. 2/4" g/mol
A buffer contains 0.015 mol of lactic acid (pK₁ = 3.86) and 0.080 mol of sodium lactate per liter. H₂C OH Lactic acid OH Calculate the pH of the buffer. H₂C. Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of the buffer. O OH Sodium lactate Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of pure water. O Na+ buffer pH: buffer pH change: water pH change: units units
You are supplied with the following: NaCl (Mr = 58.443 g/mol) 250 mM Tris-Cl, pH 8 solution (1 Litre) EDTA, sodium salt (Mr = 380.2 g/mol) 13 % Sodium dodecyl sulfate solution Proteinase K solution (150 mg dissolved in 1 ml ddH2O) You need a digestion buffer consisting of the following: 23.5 mM NaCl 750 uM Tris-Cl, pH 8 38 mM EDTA, pH 8 1.2 % Sodium dodecyl sulfate 1.75 mg/ml proteinase K Calculate: How will you prepare 750 ml of the digestion buffer? Show all your steps and calculations and remember to explain how exactly you will make it up.
original molarity= .548 A 5.00 mL sample of this KOH solution is added to a 100 mL volumetric flask, and water is added to the mark. What is the new molarity of K+ ions in this solution?

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