Define the possible effect on results of errors or variation

Assignment Help Chemistry
Reference no: EM13517744

Describe and explain the possible effect on your results of the following experimental errors or variations. in each case, specify the component(s) whose percentage(s) would be too high or too low. a) after adding dichloromethane to panacetin, you didn't stir or shake the mixture long enough. b) during the NaHCO3 extraction, you failed to mix the aqueous and organic layers throughly. c) you mistakenly extracted the dichloromethane solution with 5% HCl rather than 5% NaHCO3. d) instead of using pH paper, you neutralized the NaHCO3 solution to pH 7 using litmus paper.

Reference no: EM13517744

Questions Cloud

What volume is occupied by this amount of water : Consider 5.00 mol of liquid water. What volume is occupied by this amount of water? The molar mass of water is 18.0 g/mol
Explain what is the atmospheric pressure in kpa : If the barometer at your house reads 767.2 mm of mercury what is the atmospheric pressure in kPa
Determine the radius of the electrons orbit : An electron enters a region of space containing a uniform 0.0000217-T magnetic field. Its speed is 189 m/s and it enters perpendicularly to the field. Find the radius of the electron\'s orbit
Determine the types and amount of audit evidence to collect : Determine the types and amount of audit evidence to collect
Define the possible effect on results of errors or variation : Describe and explain the possible effect on your results of the following experimental errors or variations. in each case, specify the component(s) whose percentage(s) would be too high or too low
Select a sample of sale from the sale journal : Detailed audit procedure:Select a sample of sale from the sale journal
Find out the characteristic of national stock exchange : Find out the characteristic of National Stock Exchange -  stock market is very close to a perfect competitive market. The price of a stock usually is determined by the market forces of demand and supply of the stock and individual buyers and seller..
What is the diameter of the wire and how long is it : A 12.0 resistor is made from a coil of copper wire whose total mass is 20.0. What is the diameter of the wire and How long is it
The maximum deduction the corporation : The maximum deduction the corporation

Reviews

Write a Review

Chemistry Questions & Answers

  Cfcs were used in hair sprays air conditioners

1 cfcs were used in hair sprays refrigerators air conditioners and plastic foams.nbsp which properties of cfcs made

  How many grams of agcl will form

525mL of 1.50M NaCl is added to a beaker containing 378mL of 2.22M AgNO3, resulting in the formation of AgCl precipitate.

  Assuming the solution has a heat capacity of 418

in a coffee-cup calorimeter 1.20 g of nh4no3 is mixed with 79.0 g of water at an initial temperature of 25.00degc.

  1 a nonelectrolyte solute of 279grams is dissolved in h2o

1. a nonelectrolyte solute of 2.79grams is dissolved in h2o to make a solution of 235 ml at 29 degree celsius an

  Explain what would be the wavelength of a photon

What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.

  Find out the stiochiometric coefficients for the reaction

Determine the stiochiometric coefficients for the reaction, (3CaO Al2O3 3SiO2) + a(CaO Al2O3 SiO2)= b(CaO Al2O3 2SiO2) + c(2CaO Al2O3 SiO2)

  Compute the ph at aqueous solution of oxalic acid

Calculate the pH at 25 degrees C of a 0.25-M aqueous solution of oxalic acid (H2C2O4). (Ka1 and Ka2 for oxalic acid are 6.5 x 10^-2 and 6.1 x 10^-5, respectively.)

  A gas mixture composed of helium and argon has a density of

a gas mixture composed of helium and argon has a density of 0.605gl at a 741mmhg and 298k. what is the composition of

  Explain the balanced net ionic equation for the reaction

Write the balanced net ionic equation for the reaction that occur in the following case. Ba(NO3)2 (aq) + K2SO4(q) Express your answer as a balanced net ionic equation.

  Depict a structure for a compound that meets

Draw a structure for a compound that meets the following description: C7H8 with IR absorptions at 1600 and 1500 cm-1 and at 3030 cm-1.

  Explain the partial pressure of gas in the product mixture

The complete consumption of carbon disulfide leads to the production of gaseous carbon dioxide and sulfur dioxide. After the reaction, the system is allowed to re-equilibrate at 100.0°C, and the pressure of the mixture of three gases is found to h..

  What is the ratio of ground state energy of atomic hydrogen

What is the ratio of ground state energy of atomic hydrogen

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