User Account

All Pages

The addition of 6 g of salt to a sample of pure water

Assignment Help Chemistry
Reference no: EM13383420

The addition of 6 g of salt to a sample of pure water causes its freezing point to be reduced from 0°C to -1.5°C. After an additional amount of salt is dissolved in the solution, its freezing point is -4.5°C. What is the total amount of salt dissolved in the sample of water?

Reference no: EM13383420

Questions Cloud

Draw the shearing force diagram and the moment diagram of : a draw the shearing force diagram and the moment diagram of the following problem. the beam is indeterminate. you need
After the reaction the volume of the system was 220 l : a gaseous reaction occurs at a constant pressure of 30.0 atm and releases 58.0 kj of heat. before the reaction the
Calculate the concentration of co ppm in the stack : a mixture of 70 mole propane and 30 mole hydrogen is burned with 30 excess air. fractional conversions of 90 of the
Calculate the final temperature when a 204 gram sample of : calculate the final temperature when a 20.4 gram sample of ice at 0oc is placed into a styrofoam cup containing 111
The addition of 6 g of salt to a sample of pure water : the addition of 6 g of salt to a sample of pure water causes its freezing point to be reduced from 0degc to -1.5degc.
Cadmium ion in solution is analyzed by precipitation as the : cadmium ion in solution is analyzed by precipitation as the sulfide a yellow compound used as a pigment in everything
A bar of the cross section is shown in figure 3 and is made : a bar of the cross section is shown in figure 3 and is made of steel that is assumed to be elastoplastic
Explain how the desert air can contain much more h2o vapor : 1.explain how the desert air can contain much more h2o vapor in the air than the pole and still a lower humidity than
An elevator drive sheave of diameter 1 m and negligible : an elevator drive sheave of diameter 1 m and negligible mass is mounted on a shaft midwaynbspbetween bearings which are

Reviews

Write a Review

Chemistry Questions & Answers

  Define why does bromine add faster to a disubstituted double

Why does bromine add faster to a disubstituted double bond than a monosubstituted double bond to produce dibromides

  Determine the mass of solid sodium formate of mw 680 must

determine the mass of solid sodium formate of mw 68.0 must be combined to 150 ml of 0.66 moll hcooh to make a buffer

  Explain what happens to the kp in th reaction 2nobr

What happens to the kp in th reaction 2NOBr(g) 2NO+Br2...when temperature is increased

  How to evaluate the ph of the solution

A buffer is prepared by mixing 161 mL of 0.193 M NaOH with 695 mL of 0.687 M sodium bicarbonate (NaHCO3). Given that the Ka1 of H2CO3 is 4.5 x 10-7 and the Ka2 is 4.7 x 10-11, calculate the pH of the solution.

  What is this freezing point on the kelvin scale

A thermometer indicates that water freezes at 0.5 degrees Celsius and boils at 100.2 degrees Celsius at a barometric pressure of 760 torr. The observed freezing point of an unknown liquid is -1.3 degrees Celsius.

  Verify that one part per million corresponds to one minute

Verify the following statements (a) One part per million corresponds to one minute in two years, or a single penny in $10,000.

  Explain a standard galvanic cell the half-reactions

If you built a standard galvanic cell using the following half-reactions, what is the maximum work that could be done by this standard cell? (deltaG=wmax)

  Using a carbon dioxide sample that occupies a 254 dm3

using a carbon dioxide sample that occupies a 2.54 dm3 volume container at standard conditions. determine the volume of

  Define ammonium chloride concentration

Calculate the pH of a solution that has an ammonium chloride concentration of .05 M and a sodium acetate concentration of .045 M

  State aluminum foil and rubber band weighed

A student weighed a piece of aluminum foil, rubber band, and a 250 ml flask and found it to be 107.520 grams. After a sample of unknown liquid is vaporized and condensed, the flask, aluminum foil and rubber band weighed 108.148 grams.

  Explain and write emperical formula for ethane and acetylene

Ethan contain 2.659 carbon and .668 gm of H, and one sample of acetylene contains 4.59 g of carbon and .382 gm of h. write emperical formula for ethane , acetylene

  Compute the size of electric current that must flow

Suppose 110. mmol of electrons must be transported from one side of an electrochemical cell to another in minutes. Calculate the size of electric current that must flow.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd