What is the minimum amount of ethanol needed

Assignment Help Chemistry
Reference no: EM13116126

The solubility of compound A in ethanol is 0.80g per 100.0mL at 0oC and 5.00g per 100.0mL at 78oC. What is the minimum amount of ethanol needed to recrystallize a 12.00g sample of compound A?

Reference no: EM13116126

Questions Cloud

Mortgage-interest and amortization : A house worth $70,000 is purchased with a down payment of $20,000 and a mortgage amortized over 20 years. If the interest rate is 14% compounded semi- annually;
Find out the centripetal force experienced by the ball : If the string makes an angle of 29? with the vertical, find out the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s2 .
What is the total product function for dimex : Explain carefully in terms of production theory why it might be that no amount of "cracking down" can increase worker productivity at Canadian Fabrication & Design?
Application of linear eqautions : An art dealer sold two artworks at $1520 thereby making a profit of 25% on the first work and 10% on the second, where as if he had approached any exhibition he would have sold them together for $1535 with a profit of 10% on the first and 25% on t..
What is the minimum amount of ethanol needed : The solubility of compound A in ethanol is 0.80g per 100.0mL at 0oC and 5.00g per 100.0mL at 78oC. What is the minimum amount of ethanol needed to recrystallize a 12.00g sample of compound A.
Find books tested to estimate to break the binding : How many books should be tested to estimate with 95% to within 0.1 lb, the average force required to break the binding? Assume that sd is known to be 0.8 lb.
Illustrate what is the tension in the cable nearest the work : A window washer of mass 86 kg stands at a distance d from the midpoint of the scaffold. The tension in the cable nearest the worker is twice the tension in the other. Illustrate what is the tension in the cable nearest the worker? What is the tens..
Explain ethical and legal environments : This analysis will an opportunity for you to compare and contrast and critically assess the impact on management decision making based on the differences in political, social, ethical, and legal environments.
Description of investment : A corporation may obtain a machine by leasing it for six years (the useful life), paying an annual fee of $3,000, or by purchasing it for $12,000.

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the molar concentration of silver nitrate

Determine the molar concentration of silver nitrate(AgNO3) in a solution if titration of twenty five mili litres of the solution with 0.300M sodium chloride (NaCl) needs 37.05ml of the sodium chloride solution to reach the end point?

  What would be the formula

A foul-smelling gas produced by the reaction of with was collected, and a 1.00 sample was found to have a mass of 1.52 at STP. What would be the formula.

  Calculate the ph of the solution

Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.

  Compute the mass of salt required

Compute the mass of salt required to bring the freezing point of 200 mL of H 2 O from 0 degrees C to -5 degrees C.

  Determine the molecular formula of the compound

Determine the molecular formula of the compound at  the temperature of 120 degrees celsius and Pressure 750 mm hg,  if 1 l of the gaseous compound weighs 2.3 grams? '

  Calculate the heat capacity

An unknown metal X with a mass of 28 grams absorbs 58 J of heat. calculate the heat capacity if Its temperature raises from 31.1 °C to 39.9 °C.

  Determine the mass of cr

Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .

  What is the percent by mass of a solution

what is the percent by mass of a solution on made by dissolving 163 grams of table sugar in 755 grams of water.

  Determine the value of work

Determine the value of work (w) when a piston of volume 0.2 litres expands against an external pressure of 200 kPa to a volume of 3.4 Litres?

  Compute the molecular formula of ch3cooh

Compute the molecular formula of CH 3 COOH the percent composition of acetic acid is 39.99% C and 6.73% H. The remainder of the compound is oxygen.(The molar mass of acetic acid is 60.06 g/mol.)

  Explain advantages and disadvantages of alternative fuel

In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?

  Compute the reactor volume and space

Compute the reactor volume and space time to get 90% conversion in a PFR and in a CSTR

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