Calculate the molar mass of a nonelectrolyte

Assignment Help Chemistry
Reference no: EM13147472

Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.

Reference no: EM13147472

Questions Cloud

Beginning inventory of finished goods : If the ending inventory of finished goods was $30,000, what was the beginning inventory of finished goods must have been?
What type of weather conditions typically occur : Describe the mean wind direction in each air mass and based on the mean wind direction describe which air mass is advancing.What type of weather conditions typically occur along this type of front?
Estimate the magnitude of the absoulte error : Estimate the magnitude of the absoulte error and percent error in the measured sample volumes. Compare those errors to the errors that occur when measuring volumes of approximately 8mL
Record a gain or loss on sale : The fair market calue of 747 aircraft at december 31,2009 is 30,500,000. If the midwest chose to sell the aircraft on this date would it record a gain or loss on sale and if so, how much?
Calculate the molar mass of a nonelectrolyte : Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.
What the gel would look like with all three digest : You have a circular plasmid containing 9kb of DNA, and you wish to map its EcoR1 and BamHI sites. When you digest the plasmid with EcoRI and run the resulting DNA on a gel.
John, lionel, and evelyn harrymore, siblings and actors : John, Lionel, and Evelyn Harrymore, siblings and actors, decide to retire after years on the road. They remember a town in Illinois they were familiar with from their travels. From the internet, they learn of a farm a few miles outside of town that s..
How to conclude that the new ball has improved game : Averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?
Amount of the impairment loss problem : On the date of purchase, the patent had an estimated useful life of eleven years. It currently has a remaining useful life of four years. The current fair value of the patent is $43,000. Company management estimates that the patent will generate f..

Reviews

Write a Review

Chemistry Questions & Answers

  What is the absolute pressure in the duct

A sealed-end water manometer attached to an air duct reads 1598 cm. An open-end water manometer attached to the same duct reads 556.2 cm.

  Explain the graphing of the data if carbon dioxide

What difference would you predict would occur in the graphing of the data if carbon dioxide was used instead of the components of air?

  Estimate the total calories in a slice of bread

Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?

  Acid chlorides are used as electrophiles in friedel-crafts

Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones. The reaction involves the transfer of an aromatic hydrocarbon with an acyl chloride in the presence of a lewis acid

  What is the formula of the oxide

A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?

  What is the boyle temperature of methane

The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K

  How many moles of khc8h4o4 are needed

According to the above expression how many moles of KHC8H4O4 are needed to neutralize 25.00 mL of 0.10 M NaOH

  How many moles of hno3 are present

A nitric acid solution containing 71.0% HN)3 (by mass) has a density of 1.42 g/mL. How many moles of HNO3 are present in 1.00L of this solution?

  Compute the ka for the acid

Compute the Ka for the acid if the pH of the resulting solution = 6.36. and determine the pH of the resulting buffer

  Determine the age of the rock

Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?

  Determine how much fluorine was formed

Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)

  Determine the new pressure of the gas

Determine the new pressure of the gas and express your answer in Pa

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