A stack of ten pennies is found to have an average % composition of copper equal to 2.52% by mass. If the ten pennies have a total mass of 25.2 grams, what is the average mass of copper contained in a single penny from this collection? ANSWER IN MILLIGRAMS

A stack of ten pennies is found to have an average % composition of copper equal to 2.52% by mass. If the ten pennies have a total mass of 25.2 grams, what is the average mass of copper contained in a single penny from this collection? ANSWER IN MILLIGRAMS

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: The addition of a nonvolative solute to a solvent will create a solution with a boiling point than…

A: colligative properties: Depression in freezing point Elevation in boiling point Somatic pressure…

Q: I. III. 0 NNCH 3 MeOH OCH3 OH OCH3 II. IV. COH MeOH

A: ->Nucleophilic addition-elimination reactions, involves the addition of a nucleophile to a…

Q: An aqueous solution at 25 °C has a OH concentration of 1.4 x 10 -10 M. Calculate the H,O'…

Q: f. + O: FO

A: Given is Diels-Alder reaction.Given compounds are diene and dienophile. This is [4+2] cycloaddition…

Q: 1. 2. Ph. Ph Me A Ph Me BH Ph CH Bri Me H Me B Pn H Ph Me C H H Br H Me Me D Ph Ph

A: Given that, an reaction scheme is shown below We have to tell the correct newman projection for the…

Q: Please use as many questions as needed to answer

A: For a) From the bar graph of plasma, it is clear that the concentration of cation in plasma is 150…

Q: 31.A child weighing 22 Ibs comes into the clinic with an ear infection. The doctor prescribes the…

A: We would solve it using dimensional analysis method.

Q: We started with 20 mL 1 M acetic acid ~ 0.020 L acetic acid in a flask. (Ka acetic acid =…

A: Millimoles of acetic acid taken=Molar concentration of acid×mL of acid=1 M×20 mL=20 mmol

Q: Macmillan Learning What is the concentration of a solution made by diluting 45 mL of 6.0 M HCl to a…

A: Given, HCl solution: before dilution Concentration of the solution (M1) = 6.0 M Volume of the…

Q: RMR (kcal/day) = (9.99 x 79.5kg) + (6.25 X 182.9cm) - (4.92 x 35) + (166 x 1)- 161

A: RMR is the resting metabolic rate. It is the amount of energy in calories burnt while resting and it…

Q: 13:26 Fri Apr 2 Done CHE 230 Homework+Assignment+7 * e 57% DMF +DMSO common polar Solvends CN 1 eq.…

A: The major product of this reaction are provided below in attach image.

Q: SO Uя + НО

Q: What three areas are affected by an "irritant"? (refer to ACS Safety in the Academic Chemistry…

A: An irritant is a chemical that causes damage to sensitive parts of the body like eye, skin and…

Q: 4- FeClg.

A: Ferric chloride test : this test is used to detect phenol group in compounds. Alpha naphthol and…

Q: -2 The PPm ConCentration of 4.5 * lo M Solution of Lif is I 1940 PPM- D 196. PPm 3 1950 PPm

A: Molarity and ppm are the units of concentration. Molarity is the number of moles of solute in 1 L of…

Q: An aqueous solution at 25 °C has a H,O' concentration of 3. x 10 'M. Calculate the OH concentration.…

Q: Br-

Q: The instructor reveals that the weak acid is hypochlorous acid, HOCl. The known Ka HOCl is 4.0x10-8…

A: You must compare the experimentally measured Ka () with the known Ka value () for hypochlorous acid…

Q: (2 equiv.) Cl НО OH (2 equiv.)

Q: What is the pH of 50 mg/ml solution penicillin VK ( potassium salt mw=389, pka = 2.8)?

A: Answer:- This question is answered by using the simple concept of calculation of pH of the salt of…

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0%HNO, by mass. What…

A: Given: Density of concentrated nitric acid=1.41g/mol Mass percentage of nitric acid=70.0% Formula:…

Q: Can you please help with this problem? Have absolutely no clue where to start. Calculate the pCl in…

A: The question is based on the concept of chemical equilibrium. we have to calculate p- value of…

Q: Next the student conducts two different runs: In RUN 1, 10.0 mL of 5.00 M NaOH is combined with 10.0…

A: We find the order of the reaction by the graphical method in which we have to plot 3 different…

Q: Materials Needed semi-micro test tubes and rack solid I2 regular test tubes and rack squash pipettes…

A: The rule odf solubility is 'like dissolves like' whuch means that polar solute will be dissolved in…

Q: 16. A physician orders that a child should be given potassium chloride milliequivalents per kilogram…

A: A physician orders that a child should be given potassium chloride (KCl) 1.6 milliequivalents per…

Q: Select the INCORRECT statement All amino acids can exist in two forms, designated L and D. O The…

A: •Here are statement are given in which we have to choose INCORRECT statement. •So let's discuss…

Q: What volume, in ml, of 0.5000M HCN can be made from 16.28ml of 14.37M HCN?

A: Given that: V1 = 16.28 ml and S1 = 14.37 M V2 = ? and S2 = 0.5 M

Q: Please check my answer

Q: NH,NO, O (2 N2 H,0 11. _N H_

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: 4) Consider a liquid with a boiling point of 230°C, a freezing point of 24°C, and a vapor pressure…

A: 4) Boiling point : It is the temperature at which the vapour pressure of a liquid becomes equals to…

Q: 25.0mL to L

A: Conversion is used for converting the value from one unit to another.

Q: If you have 155 mL solution of a 0.762 M FeCl, solution, how many grams of FeCl, are contained in…

A: Fill in blanks as shown on problem

Q: MW (mg/mmol) Density (mg/uL) Amount used vanillin 152.15 XXXXX 400.0 mg acetic anhydride 102.09 1.08…

A: Number of millimoles=Amount/MW Amount of acetic anhydride=500 mg (since, 1ul=1mg) MW of acetic…

Q: 13. The prescriber ordered half-maintenance for a child who weighs 15 kg. Calculate the rate at…

Q: Choose the correct IUPAC name for the following compound (Do mention cis or trans, E or Z, or R or S…

A: The IUPAC Name of given according to IUPAC rule and Cahn-ingold-prelog rule is given below. The…

Q: Me NABH, A i) MeOH

A: The details solution and mechanism of reaction is provided below in attach image.

Question

please help

A stack of ten pennies is found to have an average % composition of copper equal to 2.52% by
mass. If the ten pennies have a total mass of 25.2 grams, what is the average mass of copper
contained in a single penny from this collection? ANSWER IN MILLIGRAMS

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Weighted average if these values Value-7.00, 8.00, 9.00 Weight-75.0%, 15.0%, 10.0%
5
> 1
part A 1. Concentration of Known NiCl2 Stock Solution ___500________ mM Tube Number Blank #1 #2 #3 #4 #5 2. Volume of Known NiCl2 Stock Solution Pipetted Into Tube 0.00 mL 1.50 mL 3.00 mL 4.50 mL 6.00 mL 7.50 mL 3. Volume of Distilled Water Pipetted Into Tube 11.00 mL 9.50 mL 8.00 mL 6.50 mL 5.00 mL 3.50 mL 4. Total Volume of Solution In Tube 11.00 mL 11.00 mL 11.00 mL 11.00 mL 11.00 mL 11.00 mL 5. Diluted Concentration of NiCl2 In Tube ----------- 68.2 mn 136mn 204mn 273mn 341mn 1. Equation for the Best-Fit Straight Line Y=3822x+4.7446 2. Absorbance at λmax for Diluted Unknown 0.87 3. Concentration of NiCl2 in Diluted Unknown 25.693 mM Determine the dilution factor for your diluted unknown U1 based on how you prepared the solutions in Part A. Record this on your report sheet in Part D #4.
If you are attending the question plese answer both the questions otherwise I'll downvote
chemy 101 final exam sec sem Soved 22 Be sure to answer all parts. X 02:04-55 How would you prepare 475 mL of a 0.736 M NAOH solution, starting with a 5.99 M stock solution? Volume of stock solution needed: mL Volume of wvater needed: mL
True or False? All samples are initially applied to different starting lines at different spots in order to calculate R values. O True False
pls complete given the data
helpp??
Can someone check to see if #9 through #12 are correct with the information provided
please calculate the concentration in ppm (last column) for each solution
IZVW @ ol:09 zain IQ li. How many millilitres of concentrated sulphuric acid, 99.0%, density 1.831 g/cm3, are required to prepare 0.6 liter of a 0.2 M solution? Note ( M.wt of sulphuric acid = 98.1 g/mol) * %3D 5.7 ml 18.4 ml 6.5 ml 17.5 ml prepare a standard solution of a potassium Chloride (KCI), 0.3 N in 500 ml of water. (atomic weight : K=19 , Cl=35 ) ? * 1.8 gm 8.1 gm 81 gm 0.81 gm docs.google.com a