What is the uncertainty in the concentration of the unknown

Assignment Help Chemistry
Reference no: EM13718651

Problem- Amount of cadmium in a sample is determined by AAS. The standard solutions produce a straight calibration curve with a slope of .1024 + .0082 abs units/ppm. And a y intercepts of .0105 + .0076 abs units. What is the uncertainty in the concentration of the unknown?

Explicate the each step. Explicate the process and each step.

Reference no: EM13718651

Questions Cloud

Helium behave ideally for the conditions in the problem : Consider a mixture of argon and helium. The density of the mixture measured at t=22.8 C and p=791 torr, is d=0.662 g/L. What is xar, the mole fraction of argon in the gas mixture? You may assume that argon and helium behave ideally for the conditi..
What is the realized gain - recognized gain : What is the realized gain, recognized gain, and the basis for the new residence?
What is the purpose or rationale of the law : o What reliable resources are available to learn about the implications of this law? o What is the purpose or rationale of the law?
What is the specific rotation of the pure r isomer : Consider a solution that contains 75.0% R isomer and 25.0% S isomer. If the observed specific rotation of the mixture is -51.0°, what is the specific rotation of the pure R isomer?
What is the uncertainty in the concentration of the unknown : Amount of cadmium in a sample is determined by AAS. The standard solutions produce a straight calibration curve with a slope of .1024 + .0082 abs units/ppm. And a y intercepts of .0105 + .0076 abs units. What is the uncertainty in the concentratio..
Calculate the chromatographic resolution for compounds : Compound Y has a reflection time of tR = 12.07 min with N =16,250 theoretical plates. Calculate the chromatographic resolution for these two compounds.
What was the inflation rate the past years : Look at the economy's economic growth rate and see if it grew substantially after a time period. Why? For example when Japan (after the Tokugawa period) opened up their economy for more trade their economy grew substantially.
Determine the mass of ga in the sample : 50 ml if .15M NaNO was added to a sample containing gallium. Nitrate oxidized Ga(s) to Ga(aq). The resulting nitrous acid was titrated to the equivalence point with 27.82 mL of .1M NaOH. Determine the mass of Ga(s) in the sample
Demonstrate all of the methods of your stack. : Create a StackTest.java file to demonstrate all of the methods of your stack. Instantiate two stacks; one for String and one for Integer. Push words/integers onto your stack. After you have pushed a series of words/integers on your stack use..

Reviews

Write a Review

 

Chemistry Questions & Answers

  An aqueous solution of sodium hydroxide is labeled 010 m

question an aqueous solution of sodium hydroxide is labeled .010 m naoh. what are the molar concentrations of naoh na

  When 286 kg of fe2o3 react with 172 kg of co and 63 kg of

when 28.6 kg of fe2o3 react with 17.2 kg of co and 6.3 kg of fe are recovered what is the percent yield for the

  Nitrogen bound to nitorgen and oxygen has a positive charge

Problem- Does anyone know the curved arrow mechanism for 1,1-Dimethyl-3-oxo-2-triazanolate after it resonates to the form where the oxygens both have a negative charge and the Nitrogen bound to Nitorgen and Oxygen has a positive charge reacts with..

  What is the density of the diamond cube

Question- If a small cube shape of a diamond was cut and weighs 1.49x10^3 mg, and has sides that cut measure 20.9 mm by 11.1 mm by 12.0 mm, what is the density of the diamond cube in g/cm^3

  Explain the central atom mix to form hybrid orbitals

Determine the bond or Which types and how many atomic orbitals of the central atom mix to form hybrid orbitals in each of the following

  Compute the van''t hoff factor

Calculate the van't Hoff factor (i) for this solution. 2. Calculate the vapor pressure at 25 ?C of an aqueous solution that is 5.80% NaCl by mass.

  The activation energy for the reaction o o3 2o2 is 25

the activation energy for the reaction o o3 ? 2o2 is 25 kjmol and the enthalpy change is ?h -388 kjmol. what is the

  Calculate the deltahrxn for the combustion of glucose

calculate the deltahrxn for the combustion of glucose c6h12o6 using deltahf values. you will have to calculate the

  State a piece of chromium metal with a mass in boiling water

A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees celsius and then dropped into a coffee-cup calorimeter

  Calculate the zero point vibrational energies for -o-h and

calculate the zero point vibrational energies for -o-h and -o-d bonds.if a reaction of these bonds involves breaking

  Define how many milligrams of caco3

A solution was prepared by dissolving 0.450 g MgSO4 (FW=120.363g/mol) in 0.500L of water. A 50.0 mL aliquot of this solution consumed 37.60 mL of EDTA solution in a titration. How many milligrams of CaCO3 (FW=100.089g/mol) will react with 1.00 mL ..

  Explain how many moles of methanol are present

How many moles of methanol are present in a 150.0 gram sample of methanol,CH3OH

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