Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Solutions
Molality
250g of water containing sucrose freezes at -3.5C. What is the molality of the solution?
1 answer
freezing depression=m*constant
m=3.5/.52
You can
ask a new question
or
answer this question
.
Similar Questions
a sucrose solution was prepared by dissolving 13.5g sucrose in enough water to make 100ml of solution. the density is 1.050gml.
Top answer:
13.5 g sucrose/molar mass = moles convert 100 mL to mass. mass = volume x density mass = 100 mL x
Read more.
What is the molality of an aqueous solution of sucrose that freezes at -3.00 °C? The freezing point lowering constant for water
Top answer:
de;ta T = Kf*m
Read more.
Reviewing for final (this should be basic but...I am stuck):
Describe how you would prepare 500.0 grams of a solution of sucrose,
Top answer:
Xsucrose = 0.125 XH2O = 0.875 0.125 x molar mass sucrose = about 43g (but you can do it better than
Read more.
What mass of sucrose should be added to 75 gram of water to raise the boiling point about 100.35°C.What mass of sucrose is
Top answer:
To calculate the mass of sucrose needed to raise the boiling point of water by a certain amount and
Read more.
A solution is prepared by dissolving 3.44 g of sucrose, C12H22O11, in 118 g of water.
a) What is the molality of the resulting
Top answer:
molality=molessugar/kgsolvent = 3.44/(molmassSucrose*.118) Mole fraction moles solute/totalmoles
Read more.
What is the molality of a solution of sucrose(molar mass=342) dissolved in water that is 25% sucrose by mass?
Top answer:
Take 1000g of it, sugar is 250g, water is 750g m=250/343)/.750 moles/kgsolvent
Read more.
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved
Top answer:
See above. You don't need to post multiple times. It takes a LITTLE time to read, solve, and compose
Read more.
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved
Top answer:
No. You haven't used Kf, the freezing point constant for water. You just ignored it in the
Read more.
Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved
Top answer:
I would carry the 0.046 to at least three places (I know that is one more place than in the 0.085
Read more.
a solution of 0.2113 g of water dissolv ed in 25g of a solvent freezes at 11.5 degrees celcius below the freezing point of the
Top answer:
To find the Kf (freezing point depression constant) for the solvent, we can use the formula: delta T
Read more.
Related Questions
If a solution of chloride in water is 0.354 M Cl− at 25°C,
and the density of the solution 0.456 g/mL, what is the molality of
In lab, you use a special balloon that is permeable to water but not sucrose to make an "artificial cell". The balloon is filled
Determine the vapour pressure lowering at 25 degree Celsius of 1.25molality sucrose solution assume the solution behaves ideally
How many grams of sucrose (C12H22O11)
must be dissolved in 200 g water to make a solution in which the mole fraction of sucrose
If you are given a 2.0 M solution of sucrose, describe in detail how you would make the following solutions (include specific
A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20.
what is the molality of that solution?
Suppose you have 0.500 M sucrose
stock solution. How do you prepare 250 mL of 0.348 M sucrose solution ?
a solution is prepared by dissolving 4.9 g of sucrose (c12h22011) in 175 g of water. calculate the boiling point and osmotic
a solution is prepared by dissolving 4.9 g of sucrose (C12H22O11) in 175 g of water. calculate the boiling point and osmotic
The hydrolysis of sucrose into glucose and fructose in acidic water has a rate constant of at 25 degrees C.
Assuming the reaction
