A solution is prepared from 250 g of an unknown compound

Assignment Help Chemistry
Reference no: EM13372088

A solution is prepared from 2.50 g of an unknown compound and 25.0 g of benzene, C6H6. The freezing point of this solution is 4.3 degree celsius. Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC ,  the freezing point depression constant for C6H6 = -5.12 oC/m .

Reference no: EM13372088

Questions Cloud

An investor is considering buying some land for 100000 and : an investor is considering buying some land for 100000 and constructing an office building on it. three different
Apple outsources production of iphones ipads and other : apple outsources production of iphones ipads and other electronic devices to contract manufacturer foxconn with 800000
Open the microsoft excel workbook interactive model : open the microsoft excel workbook interactive model economics.xls.on the first tab you will see a figure similar to
A compound with empirical formula c2h2n dissolved its 00800 : a compound with empirical formula c2h2n dissolved its 0.0800 gram in 10.00 g of c6h6 freezing point of resulting
A solution is prepared from 250 g of an unknown compound : a solution is prepared from 2.50 g of an unknown compound and 25.0 g of benzene c6h6. the freezing point of this
An osmotic pressure of 784 atm is produced bynbsp an : an osmotic pressure of 7.84 atm is produced bynbsp an isotonic solution measured against pure water at human body
How many grams of ammonium phosphate need to be combined to : how many grams of ammonium phosphate need to be combined to 500. grams of water if the freezing point of the solution
Using a solution containing 550 g of glycerol c3h5oh3 and : using a solution containing 55.0 g of glycerol c3h5oh3 and 250 g of water? what will be the freezing point and boiling
Using a solution prepared by dissolving 183 grams of sodium : using a solution prepared by dissolving 18.3 grams of sodium chloride in 500.0grams of water at 70 degree celsius. it

Reviews

Write a Review

Chemistry Questions & Answers

  Illustrate the acid-catalyzed dehydration of an alcohol

Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?

  Explain hemoglobin has a positive charge of +5

Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP (1cP = 0.01 g cm^-..

  Calculate the moles of argon present

A 357 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 625 mmHg. Calculate the moles of Ar present.

  Define what is its kelvin temperature

If 3.0g of N2 gas has a volume of 0.50 L and a pressure of 5.0 atm, what is its Kelvin temperature

  Explain the value for delta h solution at infinite dilution

Determine the value for delta H solution at infinite dilution calculated from the following delta standard H of formation

  Calculate the absorbance of this solution

A 6.50 x 10^-5 M solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm.

  What is the concentration of h+ in the solution

a 75.0 ml sample of .0500M HCN is titrated with .500 M NaOH. what is the concentration of H+ in the solution after 3.0 ml of .500 M NaOH has been added

  State what will be the final temperature of the water

A 32.0 g sample of liquid water at 21.0C absorbs 2276 J of heat energy. What will be the final temperature of the water? The specific heat of liquid water is 4.185 J/gC.

  Explain what is the ph of a saturated aqueous solution

Caprylic acid (144.21g/mol), pKa= 4.89, density= 0.910 g/cm3, solubility= 0.068g/100mL, melting point= 16.7 c, boiling point= 239.7 c. What is the pH of a saturated aqueous solution

  What is the volume of the vial

An empty vial has a mass of 67.77 g. If the vial has a mass of 244.56 g when completely filled with liquid carbon terachloride (d = 1.59 g/cm3), what is the volume of the vial?

  Calculating the volume of co2 generated

The percent by mass of bicarbonate (HCO3-) in a certain Alka-Seltzer product is 32.5 %. Calculate the volume of CO2 generated at 37ºC and 1.00 atm when a person ingests a 3.29g tablet.

  Explain a hydrated form of copper sulfate

A hydrated form of copper sulfate (CuSO4·x H2O) is heated to drive off all the water. If we start with 9.47 g of hydrated salt and have 5.29 g of anhydrous CuSO4

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