What mass of ethanol should be dissolved

Assignment Help Chemistry
Reference no: EM13147466

What mass of ethanol, CH3CH2OH, should be dissolved in 450. g of water to obtain a freezing point of 4.5°C?

Reference no: EM13147466

Questions Cloud

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..
What are the final dimensions of the bar while it is being : 20 pound test fishing line has a diameter of 0.017". A fish pulls with a force of 12 poundswhich does not induce yielding in the line. The elastic modulus of the line is E = 450 ksi.
What mass of ethanol should be dissolved : What mass of ethanol, CH3CH2OH, should be dissolved in 450. g of water to obtain a freezing point of 4.5°C?
Determining weighted-average cost of capital : Calculate Golden Gate Construction Associates' weighted-average cost of capital.
Find onfidence interval for true mean heart rate of people : Find a 99% confidence interval for the true mean heart rate of all people with this untreated condition. Show your calculations.
Lisa, the owner of shoe retaile : On 4 February 2014, Lisa, the owner of shoe retailer, Lisa's Shoes, which had several regional stores throughout Australia, sent the following fax to Mr Brown at Best. We refer to your notice in the 'National Advertiser' and would like to purchase 2,..
What is the boiling point of a solution : What is the boiling point of a solution of 30.20 g of ethylene glycol, HOCH2CH2OH, in 88.40 g of phenol?

Reviews

Write a Review

Chemistry Questions & Answers

  What will the concentration be

The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.

  Explain solution of naoh is added to the supernatant

suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+, and Mn2+. the addition of HBr causes a precipitate to form

  How much energy would be needed to warm water

If it takes 526 J of energy to warm 7.40g of water by 17°C, how much energy would be needed to warm 7.40g of water by 55°C

  Calculate how many moles of sodium phosphate required

Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate  (NaNO 3 ) and calcium phosphate?

  Calculate the molar concentration of chloride ion

A 347 ml sample of solution contains 5.1 g of CaCl2. Calculate the molar concentration of chloride ion in this solution

  What is its final volume

A gas occupying a volume of 248 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume.

  Explain that how hcl could test for limestones presence

Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?

  Compute molar composition and volumetric flow rate of gas

An ore containing 24% solid inert and 76 mol% iron pyrites (FeS2) is roasted in the presence of dry air at 500 °C and 1 atm. Considering the given reactions.

  What is the molar concentration of the ammonia

If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?

  How many times will the rate constant increase

The activation energy for the following reaction is 60. kJ/mol. Sn2+ + 2Co3+ → Sn4+ + 2Co2+ By what factor (how many times) will the rate constant increase.

  What is the total combined mass of carbon dioxide and water

an automobile gasoline tank holds 21 kg of gasoline. When gasoline burs, 81 kg of oxygen is consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?

  Calculate the molarity of solution

Calculate the molarity of 500.0 cm3 of solution containing 18.5 g of calcium nitrate Ca(NO3)2

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