B. The copper concentration in a contaminated salt sample wasspectrometry. In the analysis, a 10.00-g sample containing an arvolumetric flask and diluted to volume.A series of 10.0 mL of the diluted sample solution was pipetted into each of five 50.0-mL volumetricflasks. Various volumes of a standard containing 12.2 ppm Cu were added to the flasks, and thesolutions were then diluted to volume. The corresponding absorbances of each of the solutions aregiven below:Unknown, mL10.010.010.010.010.0Standard, mL0.010.020.030.0ined by flame atomic absorptionis transferred to a 250-ml40.0Absorbance0.2010.2920.3780.4670.554Calculate the copper concentration (a) in the diluted sample solution expressed in ppm Cu, and (b) inthe salt sample as percent copper (%Cu).

Here standard addition technique is used to standardize the copper sample in which to a fixed volume…

Answered: Calculate the copper concentration (a)…

Calculate the copper concentration (a) in the diluted sample solution expressed in ppm Cu, and (b) in he salt sample as percent copper (%Cu).

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...

See similar textbooks

Related questions

Q: An urea solution is 34.0% NH₂ CONH₂ by mass. It is simultaneously 6.19 M at 20 °C. (a) Compute the…

A: The objective of the question is to calculate the Density of the urea solutionVolume of the solution

Q: Explain the Dynamic Equilibrium that exists in a saturated solution.

A: In a solution, a dynamic equilibrium is reached when particles return to the solid's surface at the…

Q: 6.Defend or refute: “Any binary solution can be completely separated by fractional distillation.”

A: Fractional distillation is the method of separation of two or more miscible liquids based on their…

Q: Does the commonly reported solubility of an inorganic compound in water pertain to large crystals or…

A: Solubility of any substance depends upon the physical and chemical properties of the solute and the…

Q: 1.0 GRAMS of an electrolyte was dissolved in 29 grams of water, the resulting solution was found to…

A: Given,Mass of the electrolyte (solute) = 1.0 gMolecular weight of the electrolyte = 179.7…

Q: You dissolved .4892 g of potassium dichromate in 100.00ml of distilled water.…

A: Redox titration : In order to determine the strength of a unknown sample (called titrate) some…

Q: How does supersaturated solution affect precipitation, and what are different ways that…

A: A solution formed from the interaction between the solute and the solvent, where the solute gets…

Q: (a) sketch and label the two observed layers in an immiscible mixture of dichloromethane and water.…

A: The position of solvents in a immisible layer depends on the density and polarity of the solvents.…

Q: please dont provide handwriying solution....

A: In the Mg-Pb phase diagram, the intersection of the isotherm at 200oC and the solubility limit…

Q: Which one below is a good criteria in choosing a solvent for recrystallization: -if the product is…

A: recrystallization - recrystallization is method of purification of impure compound. For…

Q: The volume of water needed to dissolve 0.0624 grams of calcium chromate is L. Assume no volume…

A: Given, Mass of CaCrO4 = 0.0624 g The solubility product constant (Ksp) of CaCrO4 will be = 7.1 x…

Q: 2)Use the terms soluble, insoluble, miscible and immiscible to classify the following mixtures. a)…

A: In this question we have to define solubility of compounds.

Q: The mass of nickel(II) cyanide that is dissolved in 225 mL of a saturated solution is grams.

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: How many grams of GaAs04 are required to prepare 2800 mL. of dissolution 0.035 N. ?

A: We must take the following actions in order to determine how many grams of GaAsO 4 are needed to…

Q: a) Which solution(s) containing 1.0 g of salt (NaCl and NHCI are both considered "salts") per 5 mlL…

Q: 15. What is the molality of a solution that contains 63.0 g HNO3 in 0.500 kg H₂O?

Q: Calculate the molarity of 1.55 mole of NH4C2H3O2 in 1.00L of solution

A: Given: Moles of NH4C2H3O2 = 1.55 mol Volume=1.00 L

Q: a sodium chloride/ calcium chloride mixture was found to produce 0.16g of precipitate after…

A: In chemical analysis, determining the composition of a mixture often involves understanding the…

Q: 7) For preparation of (200+Y) ml, 2.8 M solution from the following solutes, how many grams is…

A: Volume of the solution = (200+80) ml = 280 mlConvert ml to L = 280×10-3 LMolarity of the solution =…

Q: alculate the molar mass (g/mol) of a strong electrolyte (i = 2.14) where 19.22 g of the compound is…

A: Recall the data from the question, Van't Hoff factor=i=2.14 mass of compound=19.22 g molar mass of…

Q: 18- Calculate the (a) molar concentration and (b) Molality of a sulfuric acid solution of density…

A: Molar concentration means molarity . Molarity is the number of moles of a solute per one liter of a…

Q: Can you please help me determine all the solutions (a, b, c, and/or d) with the appropriate…

A: The expression for the depression in freezing point of a solution is:

Question

B. The copper concentration in a contaminated salt sample was
spectrometry. In the analysis, a 10.00-g sample containing an ar
volumetric flask and diluted to volume.
A series of 10.0 mL of the diluted sample solution was pipetted into each of five 50.0-mL volumetric
flasks. Various volumes of a standard containing 12.2 ppm Cu were added to the flasks, and the
solutions were then diluted to volume. The corresponding absorbances of each of the solutions are
given below:
Unknown, mL
10.0
10.0
10.0
10.0
10.0
Standard, mL
0.0
10.0
20.0
30.0
ined by flame atomic absorption
is transferred to a 250-ml
40.0
Absorbance
0.201
0.292
0.378
0.467
0.554
Calculate the copper concentration (a) in the diluted sample solution expressed in ppm Cu, and (b) in
the salt sample as percent copper (%Cu).

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: introduction

VIEW

Step 2: calculation

VIEW

Step 3: plotting

VIEW

Step 4: next calculation part

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 6 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

1. Identify if the solute is soluble in the solvent based on the observations in the table. Solute Solvent Observations Soluble or insoluble Lİ3PO4 H20 Clear, all liquid NIS H20 Milky liquid C6H6 H20 Clear liquid with solid on bottom
2. Using the data given below, calculate the percentage of KHP in the impure sample. The molar mass of KHP is 204.219 g/mol. Molarity of NaOH Solution: Mass of Unknown: Volume of Water Used to Dissolve Unknown: Volume of NaOH Used to Reach Equivalence Point: Percent of KHP: 0.1955 M 1.1801 g 30.00 mL 17.01 mL % Stolal Vol)
With correct sig figs
hello maam/sir, kindly help me with this numbers please... kindly provide complete solution.. I PROMISE to give 5 star rating directly
11. 50.0 g of silver nitrite is mixed with 50.0 g of hydrochloric acid in a water based solution. A white precipitate forms. The solution is filtered and the white precipitate collected and dried. The dried precipitate is measured to have a mass of 36.1 g. What is the percent yield?
a sodium chloride/ calcium chloride mixture was found to produce 0.16g of precipitate after dissolving in 60mL. A reference if 0.4g of calcium chloride in 60mL produced a precipitate with a percent yield of 73%. What would be the mass of calcium chloride in the mixture?
Copper (I) cyanide, although insoluble in water, dissolves in aqueous potassium cyanide. Write a balanced net ionic equation to explain why the solution process occurs. (Inorganic Chemistry)