It has been suggested that Napoleon died as a result of arsenic poisoning since the growing end of his hair has been found, through NAA analysis, to have abnormally high levels of arsenic. What hair sample mass (in grams) is needed to detect arsenic with a concentration of 0.001 ppm?

It has been suggested that Napoleon died as a result of arsenic poisoning since the growing end of his hair has been found, through NAA analysis, to have abnormally high levels of arsenic. What hair sample mass (in grams) is needed to detect arsenic with a concentration of 0.001 ppm?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section13.6: Expressing Solution Composition

Problem 13.7PSP

See similar textbooks

Related questions

Q: 5. *A 5.00L of water sample is found to have a concentration of 0.000243 M in MgCO,. What is the…

A: Concentration in g/L = Molarity x MW Concentration in ppm = 1000 x concentration in g/L Molarity of…

Q: Calculate the concentration in ppm of Cd in a 2.00 mL sample which has been shown to contain 16.4 ug…

A: Solution stoichiometry involves the calculation of the concentration of solutions in the given…

Q: salt

A: freezing point of a solvent can be lowered by adding solute or impurities to it , this is called…

Q: 75. In Canada and the United Kingdom, devices that measure blood glucose levels provide a reading…

A: The concentration of glucose (C6H12O6) in mg/dL is calculated as,

Q: What is the concentration in ppm of selenium if 0.020 g is found in 5.0 × 103 kg of soil?

Q: Assuming that its density is 1.000g/mL, what is the mass % concentration of a 0.1432M AgNO3 solution

Q: What is the percent (m/v) concentration of the solution obtained when 15.2 grams of nickel (II)…

A: Given: mass of nickel nitrate=15.2 gvolume after dilution=1.5 L…

Q: given the Ksp of CaSO4 is 4.93 x10^-5 mol^2 L^-2, what is its solubility

A: Since CaSO4 is insoluble in water Hence its solubility reaction is => CaSO4 (s) -------->…

Q: Calculate the mass of CuSO4·5H2O required for preparation of 100 mL of 0.010 M Cu2+ solution

A: Volume of Cu2+ solution to be prepared = 100 mL Concentration of the Cu2+ solution to be prepared =…

Q: Ksp for CaCO3 is 8.7 x 10. What mass of CaCO3 can dissolve in 2.50 liters of solution?

Q: 5. What is the effect of increased cross-linking on the physical properties of the slime?

A: Slimes are an example of polymers. When borax is introduces to the glue, a heavily viscous form of…

Q: . If 0.045 mg of Pb2+ was observed in 1.69 kg of solution what is the ppm?

A: The question is based on the concept of solutions. We have to calculate concentration of lead in PPM…

Q: An alcoholic drink contains methanol (CH3OH; density of 0.792 g/mL), in which at high dosage, is…

A: Given that, an alcoholic drink contains methanol (CH3OH: density of 0.792 g/mL), in which at high…

Q: The weight (in mg) of an 80.0%(w/) sodium phosphate dihydrate reagent needed to prepare 800.0 mL of…

Q: Tell whether the solutions are 0hysical or chemical change and explain A. Iodine sublimation B.…

A: Physical changes only change the appearance of a substance, not in chemical composition. Chemical…

Q: What is the solubility of strontium update, Sr(IO3)2 in water ? The map for Sr(IO3)2 is 1.14x10-7

A: The expression for Ksp calculation is as shown below:

Q: The protein we are using in this experiment is called bovine serum albumin. The molecular weight of…

A: Concentration of BSA solution = 2.0 mg /mLConcentration of BSA solution =2.0 × 10-3 g× 10-3 L = 2.0…

Q: Lodu.edu/ultra/courses/_393452 1/cl/outline v Question Completion Status: A student wants to…

A: Ethyl acetate and water are colourless while copper (l) bromide is green in colour.

Q: What is the ppm concentration of mercury in fish tissue if, after testing with an instrument, it was…

A: Given: Mass of mercury = 0.000475 g Mass of tissue = 2.250 g

Q: In which solvent will lauric acid (CH3(CH2)10COOH), the primary component of coconut oil, dissolve…

A: Lauric acid is one of the members of carboxylic acids. It is one of the primary components of…

Q: What is the concentration of F— ions when 422.569 mg of MgF2 (62.3018 g/mol) completely dissociates…

Q: In Canada and the United Kingdom, devices that measure blood glucose levels provide a reading in…

A: Concentration is equal to the ratio of the number of moles to the volume of the solution. Its unit…

Q: What is the concentration expressed in parts per million of a solution containing 30.0 grams of…

A: Given data contains, Mass of NaNO3 is 30.0 g. Mass of H2O is 70.0 g.

Q: What is the solubility of La(IO3)3 in water? (Ksp of La(IO3)3 is 7.5 × 10-12)

A: The solubility product constant (Ksp) is the equilibrium constant for a solid substance dissolving…

Q: What is the concentration of the solution when 265 mL of water are used to dissolve 0.045 moles of…

Q: prepare a standard solution of a potassium Chloride (KCI), 0.3 N in 500 ml of water. (atomic weight…

A: Normality = Number of gram equivalents/ [volume of solution in litres] Number of gram equivalents =…

Q: Describe how we can prepare 250 ml of 500 ppm Na* from Na2CO3?

A: The solution is shown below.

Q: Calculate the [CI] for a solution prepared by dissolving 1.525 g BaCl2.2H2O (244 g/mol) and 1.17 g…

A: Molarity(M) is the moles of solute per unit volume of the solution in litres. It's unit is mol/L…

Q: B. Liquid sample of 0.200 L contained 1.5 ug of Fe. What is the concentration of Fe* in ppb?

Q: 100 gram of acetanilide, 1ml of sulfuric acid and 0.5ml of nitric acid.

A: A question based on quantitative analysis, which is to be accomplished.

Q: If 1000 g of water from Angat River contains 0.0075 g of Ca2+ ion, what is the concentration in ppm…

A: Given information, Mass of water is 1000 g Mass of Ca2+ in 1000 g of water is 0.0075 g

Q: The Ksp of CaF2 is 3.9x10^-11 at 25 degree Celsius. What is the concentration of Ca++ and F- in the…

A: Solubility product is an equilibrium constant which is calculated using law of mass action. It is…

Q: What is the concentration (In parts per million) of DDT for 3 x 10^-4 in 1.3kg of fish tissue?

Q: In the Freezing Point Depression experiment, what should be added to the solution once the…

A: ∆Tf = i kf m ∆Tf = Tpure solvent - Tsolution i = 2 for NaCl (salt) Kf = 1.86 oC/m m = molality Tpure…

Q: To prepare 200.0 mL of 0.01 M EDTA solution, how many grams of EDTA disodium salt dihydrate…

A: Molarity is one of the concentration terms that is defined as the number of moles of solute present…

Q: A sample of water contained the following salts in ppm. CaCO3 = 20 ,MgS04 = 6.0, CaS04 = 13.6 Mg…

A: In this question, salts present in the water sample (in ppm) are given below : CaCO3 = 20 MgSO4 =…

Q: Which of the following is TRUE regarding the dissolution of NH4Cl(s) in water (Experiment 8)? a.The…

A: we have to determine the True statement regarding the dissolution of NH4Cl(s) in water from the…

Q: A 30.0 mL aliquot of 0.300 M H_3 PO_4 is mixed with 90.0 mL of 0.200 M KOH, and the mixture is…

A: The molarity or the concentration can be defined as the ratio of number of moles of solute which are…

Q: What is the relative supersaturation of Ag2SO4 if its concentration at a given instant is 0.0750 M…

A: Given- concentration at a given instant (C) = 0.0750 M equilibrium solubility (Ceq) = 4.43x10-5 M

Q: 4) In which solvent will lauric acid (CH3(CH2)10COOH), the primary component of coconut oil,…

A: The functional groups are the key constituents associated with a molecule and are responsible for…

Q: 1. What volume of water is needed to be mixed with 150 ml of alcohol to prepare a 25.0 % alcohol…

A: The answers to the following questions are given as:

Q: In which solvent will lauric acid (CH3(CH2)10COOH), the primary component of coconut oil, dissolve…

A: Solubility of a substance decided by the intermolecular interactions between solute and solvent…

Q: It was found that 25 ml of a sodium hydroxide solution, which per liter contains 4 g of commercial…

A: The percent impurity of a substance denotes the amount of impurities present in the substance.…

Q: 10. A volumetric flask contains 25.0 mL of a 14% m/V sugar solution. If 2.5 mL of this solution is…

A: The % m/V of solution is given 14 % The % m/V is defined as

Q: 1a.) what is the solubility of Hg2CO3 in pure water in grams/liter, if the Ksp=89x10^-17 b.) If your…

A: (a)The solubility of mercury carbonate in pure water can be calculated as

Q: Calculate the molarity of the solution obtained by diluting 63.6 mL of 0.426 M ammonium chloride…

A: Volumetric equation: In the dilution of stock solution is carries out by using below formula, this…

Q: What would be the molar concentration of a 60 ppm stock solution of Blue dye #1

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: 1. A silver nitrate solution contains 14.77 g of primary standard AgNO3 in 1.00 L. What volume of…

Q: prepare a standard solution of a Sodium Chloride (NaCl), 0.2 N in 250 ml of water. (atomic weight :…

Q: MgNH4PO4•6H2O has a solubility of 0.023g/100.ml of water. Suppose a 5.02g sample was washed with…

A: The values are given as follows:

Question

i need the answer quickly

It has been suggested that Napoleon died as a result of arsenic poisoning since the growing end of his hair has been found, through NAA analysis, to have
abnormally high levels of arsenic. What hair sample mass (in grams) is needed to detect arsenic with a concentration of 0.001 ppm?

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

Introduction

VIEW

Explanation

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

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

A closed room is contaminated by carbon monoxide (CO) at a level of 50 ppmv. Knowing the density of CO is 1.15 kg/m³, what is the CO concentration as mg/L?
MgNH4PO4•6H2O has a solubility of 0.023g/100.ml of water. Suppose a 5.02g sample was washed with 20.0ml of water. What fraction of the MgNH4PO4•6H2O would dissolve?
If a compound has a log Kow value of 6.5, what would be its predicted concentration (in ppm) in the fat of fish that swim in water containing 0.000030 ppm of that chemical?
In one experiment, 0.0995M HCl was used to analyze soda ash and the following data were obtained: 0.2980 g Mass of Na2CO3 Initial reading of HCI Final reading of HCI 0.20mL 20.00mL What is the net volume in liters of HCl used? How many moles of Na2CO3 was used in the analysis? What is the corresponding Normality of the HCl used? What is the percent Na2CO3 in the soda ash sample?
An alcoholic drink contains methanol (CH3OH; density of 0.792 g/mL), in which at high dosage, is lethal. If an average person weighs 55.0 kg and drinks 2.00 L and drinks 2.00 L of that alcoholic drink, what is the highest % v/v concentration of methanol in that alcoholic drink for it to be safe if minimum lethal dose is around 0.300 g/kg of body weight?
5. If 0.045 mg of Pb2+ was observed in 1.69 kg of solution what is the ppm?
In Canada and the United Kingdom, devices that measure blood glucose levels provide a reading in millimoles per liter. If a measurement of 5.3 mM is observed, what is the concentration of glucose (C6H12O6) in mg/dL?
The maximum amounts of lead and copper allowed in drinking water are 0.015mg/kg for lead and 1.3mg/kg for copper express these valves in ppm and tell the maximum amounts of each (in grams) allowed in 100g of wter
A student determined the concertration of NaOCI in a commercial bleach sample using the same technique described in section "F" of the Halogens and Their Compounds lab. The student required 18 drops of 0.01M Na25203 to reach the end point. What is the concentration (reported in percentage) of NaOCI in the bleach sample?
What is the solubility of strontium update, Sr(IO3)2 in water ? The map for Sr(IO3)2 is 1.14x10-7
A stock standard concentration of 101.25ppm was prepared of Cu. What are the actual concentrations of the working standards prepared in 100mL volumetric flasks, using 1mL, 5mL, 8mL, and 10mL volumes of the stock standard?
The weight (in mg) of an 80.0%(w/) sodium phosphate dihydrate reagent needed to prepare 800.0 mL of the salt solution which contains 5.68 ppm sodium ion is density of solution is ca, 1.00 g/mL.