What will be the freezing point of a solution

Assignment Help Chemistry
Reference no: EM131846928

What will be the freezing point of a solution of 4 moles of sodium dichromate (Na2Cr2O7) dissolved in 12 kg of water?

Use the following values:

Kb = 0.512 K · m-1

Kf = 1.86 K · m-1

1. 272.22 K

2. 272.64 K

3. 270.78 K

4. 271.29 K

5. 267.57 K

Reference no: EM131846928

Questions Cloud

Identify the communication problems with the email : Identify the communication problems with the email. Identify which Cs you used where and how that changed the email in terms of the effectiveness.
Identify the aqueous species that have the highest : Identify the aqueous species that have the highest concentrations at equilibrium. Justify your answer.
How much additional heat : How much additional heat (in Joules) is needed to raise 5 kg of glass by 20 degrees, than 5 kg of gold by 20 degrees?
Determine which development do you think was significant : When thinking about the history of public relations, determine which development do you think was the most significant. Explain your reasoning.
What will be the freezing point of a solution : What will be the freezing point of a solution of 4 moles of sodium dichromate (Na2Cr2O7) dissolved in 12 kg of water?
Analyse the positive and negative impacts of the event : Your assignment should identify and critically analyse the positive and negative impacts of the event and evaluate aspects of its operational management.
How instant messaging and videoconferencing influences : Discuss how instant messaging and videoconferencing influences communications components as illustrated in the transactional model.
Calculate the student theoretical and percent yields : Suppose a student started with 129 mg of trans-cinnamic acid and 0.520 mL of a 10% (v/v) bromime solution, and after the reaction and workup
Car that runs out of gas first : The two groups will only go as far as the car that runs out of gas first. How far will they go?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain elimination competes with substitution

Elimination competes with substitution. write an equation for the elimination reaction of 2 chloro 2 methylpropane in water

  The formation of so3 from so2 and o2 is an intermediate

the formation of so3 from so2 and o2 is an intermediate step in themanufacture of sulfuric acid and it is also

  Explain the possible alkenes formed in the dehyration

Give all of the possible alkenes formed in the dehyration of the following alcohols: a) 1-methylcyclohexanol b) 2-methylcyclohexanol c) 1-hydroxymethylcyclopentane d) 3,3-dimethyl-1-butanol

  The two gaseous forms of elemental oxygen are o2 and o3 a

the two gaseous forms of elemental oxygen are o2 and o3. a mixture containing equal quantities of o2 and o3 is allowed

  Make a homogenous solution

Why don't these to "mix" together (in other words, make a homogenous solution) when combined? Why do they separate into layers?

  Calculate the concentrations of all species in a na2so3

Problem- Calculate the concentrations of all species in a 0.290 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.

  State the solution concentrations notation

Give the cell notation based on the following reaction: Fe(s) + Hg2 ++ (aqueous) = Fe++ (aqueous) + 2Hg (l) the solution concentrations are 0.01 M

  Explain human blood is carbonic acid and bicarbonate ion

The buffer containing human blood is carbonic acid and bicarbonate ion. In blood plasma are 0.024M of bicarbonate ion and 0.0012M carbonic acid

  Explain what is its molecular formula

Problem- A compound is composed of only C and I, It contains 5.935 % C by mass and has a molar mass of 809.44 g/mol. What is its molecular formula

  Referential integrity is a relational database concept

Referential integrity is a relational database concept in which multiple tables share a relationship based on the data stored in the tables, and that relationship must remain consistent. Please answer by your own words, don't google it.

  What is the enthalpy of neutralization

50.0 ml of 0.987 M HCl was mixed with 50.0 ml of 1.02 M NaOH, the heat of neutralization was calculated to be -2.7 kJ. What is the enthalpy (molar heat) of neutralization?

  Explain the element symbol and charge

Which monatomic ion has a charge of 1+ and the electron configuration [Kr]4d105s2? Write the element symbol and charge.

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