Explain how many moles of solute are in the solution

Assignment Help Chemistry
Reference no: EM13712856

Question- When 2.75 of a nonelectroylte solute is dissolved in water to make 765 mL of solution at 29 Celsius the solution exerts an osmotic pressure of 959 torr. How many moles of solute are in the solution?

Rework your solution from the beginning and check each step carefully.

Reference no: EM13712856

Questions Cloud

What is the concentration in parts per million : A solution is made by dissolving 847.1 cg of hydrochloric acid, HCl, in 0.1512 kg of water. What is the concentration in parts per million
Uniformly distributed between ?0.5 and 0.5 pounds : Uncle Henry has been having trouble keeping his weight constant. In fact, at the end of each week, he notices that his weight has changed by a random amount, uniformly distributed between ?0.5 and 0.5 pounds.
Sketch two water molecules and show what portions : Doctors sometimes spray ethyl chloride on the skin to momentarily freeze it for minor operations. Explain how this works considering that ethyl chloride is a very volatile liquid with a relatively low boiling point.
Calculate the molar mass of the chemical : A 0.852 g sample of a liquid is vaporized. The vapor is found to occupy 153 mL at 110oC and 760 torr pressure. Calculate the molar mass of this chemical.
Explain how many moles of solute are in the solution : Question- When 2.75 of a nonelectroylte solute is dissolved in water to make 765 mL of solution at 29 Celsius the solution exerts an osmotic pressure of 959 torr. How many moles of solute are in the solution
Define how many grams of potassium periodate mixed : Question- How many grams of potassium periodate, KIO4, must be mixed with 175.7 g of water to produce a 0.1309 molal solution?
Made-to-order personal computers through direct : Fast Computers Inc. supplies made-to-order personal computers through direct (telephone and online) sales channels. A key competitive feature of its business is the delivery time - the time lapse between receipt of an order and final delivery t..
Complete dissociation of solute : What would be the vapor pressure of water at 97 degrees C above a solution made by dissolving 68.86 of copper (II) nitrate, Cu(NO3)2, in 282.4 g of water? The vapor pressure of pure water at this temp is 682.1 mmHg. Assume complete dissociation of..
What is an interaction : What is an interaction? Describe an example and identify the variables within your population (work, social, academic, etc.) for which you might expect interactions?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain how quickly would he be traveling in m s-1

Explain the record for the fastest marathon run is 26.164 miles in 2.08 hours. If the runner were a progressive wave, explain how quickly would he be traveling in m s-1

  State what is the wavelength of light having a frequency

What is the wavelength of light having a frequency of 5.4 x 10^13 Hz? What is the frequency (in Hz) oflight having a wavelength of 8.26 x10^2 nm?

  A volume of 180 l contains a mixture of 0250 mols n2 0250

a volume of 18.0 l contains a mixture of 0.250 mols n2 0.250 mols o2 and an unknown quantity of he. the temperature

  A compound contains 145 g of magnesium and 35 g of oxygen

a compound contains 14.5 g of magnesium and 3.5 g of oxygen. what is the mass percent of oxygen in the

  Define molar masses- acetic anhydride

Compute the theoretical yield of aspirin to be obtained when 1.5 g of salicylic acid as well as 4.0 ml of acetic anhydride (density= 1.08 g/ml) are mixed together. Molar masses- acetic anhydride= 102.1 g/mol; salicylic acid = 138.1 g/mol.

  What are the ka and the pka of this unknown acid

Problem- You determine that it takes 37.25ml of base to neutralize a 20ml sample of your unknown acid solution. The pH of the solution when about 18.62ml of base had been added was 4.20. You notice that the concentration of the base was 0.1050 M. ..

  How long would it take for 150mol of water at 1000 degrees

how long would it take for 1.50mol of water at 100.0 degrees to be converted completely into steam if heat were added

  Compute the concentrations of all chemical species

We have a solution that is in equilibrium with solid Ag2SO3 (ksp=1.5x10^-14), and buffered at pH=8.00. The sulfite anion (SO3(2-)) is the conjugate base of the bisulfite anion (HSO3-), Calculate the concentrations of all chemical species present i..

  Explain what is the volume of the air in the ballon

A hot air balloon is filled with 1.51 x 10^6 L of an ideal gas on a cool morning (11 C). The air is heated to 125 C. What is the volume of the air in the ballon after it is heated? Assume that noen of the gas escapes from the balloon.

  Find the freezing point and boiling point of the solution

A solution was prepared by dissolving 620 grams of ethylene glycol, C2H6O2 in 1000 grams of water. Find the concentation of ethylene glycol in molality. Find the freezing point and boiling point of the solution. For water Kf= -1.86 Celsius m-1 and..

  Explain what is the energy of a photon of green light

What is the energy of a photon of green light with a frequency of 5.51 multiplied by 1014 s-1

  Explain what is the value of ccal for the calorimeter

She pours a 50.0mL sample of water at 345K into the calorimeter containing a 50.0mL sample of water at 298K. She carefully records the final temperature as 317K. Explain what is the value of Ccal for the calorimeter

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