Explain what was the concentration of cu2+ ions

Assignment Help Chemistry
Reference no: EM13715430

Problem- A 20.0 mL sample of a Cu2+ solution was diluted to 250.0 mL. A portion of this solution was found to have an absorbance of 0.15 under the same conditions that were used to generate the given absorbance vs. [Cu2+] graph. What was the concentration of Cu2+ ions in the original sample?

Your answer must be supported by illustrations, Please answer with work shown to receive points

Reference no: EM13715430

Questions Cloud

What conditions make management practices challenging : in what situations, if any, would it be difficult or risky to apply lean management practices. What conditions make these practices challenging in these situations
What mass of solid nach3co2 should be added to ch3co2h : What mass of solid NaCH3CO2 (molar mass=82.0 g/mol) should be added to 1.0 L of 0.50 M CH3CO2H to make a buffer with a pH of 4.21? (Ka of CH3CO2H = 1.8x10^-5)(MW of sodium acetate= 82.0g/mol)
What is ph for the reaction of oxygen : The combustion of a 1.00 mole of methane, CH4, produces carbon dioxide and water and releases 803 kJ•mol-1 When 3.00 mol of oxygen react with a stoichiometric quantity of methane, what is pH for the reaction?
Describe market size and market potential : What information can you find to help you estimate your market size and market potential
Explain what was the concentration of cu2+ ions : A portion of this solution was found to have an absorbance of 0.15 under the same conditions that were used to generate the given absorbance vs. [Cu2+] graph. What was the concentration of Cu2+ ions in the original sample
Describes the solubility rules : For each anion used in today's experiment: Cl-, I-, PO43-, SO42-, and use the solubility rules to determine if a precipitate SHOULD form when using the reagents in the procedure
What is the initial temperature of a sample of water : What is the initial temperature of a sample of water if by the addition of 12,258J, a 55g sample has a final temp of 95 C? The specific heat of water is 4.184J/gC.
What is the ph before any naoh is added : Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.055 M HCN with 0.075 M NaOH. Ka = 4.0*10-10 for HCN Figure 17.11. What is the pH before any NaOH is added
What is the ph of a solution of 25.0ml of 1.35x10-3m hcl : What is the pH of a solution of 25.0mL of 1.35x10-3M HCl(aq) that has been titrated with 10.73mL of 1.00x10-3M NaOH. Assume 25°C.

Reviews

Write a Review

Chemistry Questions & Answers

  Depict the lewis structure of carbonate ion

Depict the Lewis structure of carbonate ion showing all possible resonance structures if there are any. Find out the formal charge of each atom.

  Explain metal polishing compound which can polish ss

a manufacturer of metal polishing compound which can polish SS items by buffing method. Currently am using Calcined Alumina Polishing grade as a main ingredient but i need much more polish.

  How long these reserves will last if rate of use continues

the world's estimated annual gas reserves in 2006 were 6124 trillion ft3 .The world rate of annual use was 105.5 trillion feet3. How long these reserves will last if the rate of use continues?

  Explain octene and the pt catalyst

My dilemma is that I'm unsure on how to find the actual limiting reactant, and what information I should use. There's too much given; but from my introspection, we only need 1-Octene and the Pt catalyst

  Compute the wavelength associated with hydrogen atom

Calculate the wavelength (in picometers) associated with hydrogen atom moving at a speed of 3.13 x 10^3 cm/s

  Explain why you might expect that the dehydration

Explain why you might expect that the dehydration of 1-butanol as well as 2-butanol would produce a similar composition of alkenes

  Calculate the partial pressure (in atmospheres) of each gas

Assuming that the total pressure of the gases is 1.52 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.

  Define how many moles of kclo3 were consumed in the reaction

Oxygen gas, generated by the reaction 2KClO3(s) ? 2KCl(s) + 3O2(g), is collected over water at 27°C in a 3.78-L vessel at a total pressure of 730. torr. (The vapor pressure of H2O at 27°C is 26.0 torr.) How many moles of KClO3 were consumed in the..

  Compute the mass of nitrogen dissolved at room temperature

Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0atm and a mole fraction for nitrogen of 0.78.

  Define what is the decay constant

If 6.40 multiplied by 10-9 mol of 176W emits 1.07 multiplied by 1015 positrons in 1.00 h, what is the decay constant

  Explain 1-bromopropane and 1-bromopentane

Show how you would accomplish the following synthetic transformations

  How to calculate the heat lost or gained by the system

There is an increase in temperature of 56 K. Calculate the heat lost or gained by the system in response to this change in the external temperature. Express your answer in J. Heat capacity for Helium = 20.8 J/(mol K) Molecular weight for Helium = ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd