Evaluate the average and the standard deviation

Assignment Help Chemistry
Reference no: EM13242522

Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.

Reference no: EM13242522

Questions Cloud

What is the equilibrium interest rate of demand : At the equilibrium interest rate, what are the quantity of money supplied, the total quantity of money demanded, the amount of money demanded for transactions, and the amount of money demanded as an asset
Find the combined kinetic energy : Two insulated spheres have radii r1 and r2, and charges q1 and q2, What is their combined kinetic energy when they collide, in terms of the variables above, and k the constant in Coulombs Law
Explain what is the purity of the complex : If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex
Is greengenes applying the leftover principle incorrectly : Greengenes' landlord rejoices, saying, "According to the leftover principle, you will pay me $300 more in rent." Is the landlord correct. If not, is he applying the leftover principle incorrectly, or is the principle wrong
Evaluate the average and the standard deviation : Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
What is the amound of the tax per gallon of gasoline : The government has imposed a tax on gasolone. What is the amound of the tax per gallon of gasoline How much tax revenue will government collect from this tax How much of the tax is paid by consumers
Find the strengths and direction of the electric field : A thin, horizontal, 10-cm-diameter copper plate is charged to 3.5nC. If the electrons are uniformly distributed on the surface, what are the strengths and direction of the electric field
Define the sybolic representation for the galvanic cell : If the electrochemical cell is allowed to operate as a gavanic cell, which solution species will be oxidized, which solution species will reduce. write the sybolic representation for the galvanic cell.
Write a 850 word paper that addresses the following points : Assignment :   choose 3 days from the attached journel.  Write a 850word   paper that addresses the following points about your 3-day food intake: .Recorded intake of protein, carbohydrates, and lipids ?Which foods in your recorded daily intake ..

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the relative order of rf values for the amino acids

Predict the relative order of Rf values for the amino acids in the following mixture: Ser, Lys, Leu, Val, and Ala. Assume that the separation was carried out on paper chromatography

  Calculate the new volume of the sample gas

If 525 mL of gas at 25 degrees is heated to 50 degrees at constant pressure, calculate the new volume of the sample gas.

  Define what is the effect on the boiling point of a solution

What is the effect on the boiling point of a solution (e.g., water) produced by a soluble nonvolatile substance (e.g., sodium chloride)? What is the effect of an insoluble substance such as sand or charcoal?

  State isothermally against a constant external pressure

isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.

  Explain what is the mass of a single weight

What is the mass of a single weight (assume one step work) you need to put on a bike pump to take the air in the pump from 1 atmosphere to 9 atmospheres?

  Determine the oxidation number for the indicated element

Determine the oxidation number for the indicated element in each of the following substances.

  Explain electrons transferred to the manganese atoms

That would mean it wouldn't have any electrons to give. Can anyone answer this for me as to why there are 28 electrons being transferred if hydrogen has a oxidation state of +1 meaning it doesn't have any electrons to give?

  Electrochemical cell potentials can be used to determine

Electrochemical cell potentials can be used to determine equilibrium constants that would be otherwise difficult to determine because concetnrations are small

  Compute the molarity of a solution made

Calculate the molarity of a solution made by adding 23.9 mL of concentrated potassium hydroxide (34.5 % by mass, density 1.46 g/mL) to some water in a volumetric flask

  How many moles of na2so3 were added

How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?

  What is the final temperature of the water

A 29.20 g piece of iron and a 25.30 g piece of gold at 100.0 degree C were dropped into 980.0 mL of water at 15.65 degree C. The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively.

  Calculate the total amount of heat removed in the process

A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.

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