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Freezing Point Depression
Page 4
Questions (220)
which of the following would be expected to have the lowest freezing temperature?
a. .1 M Ca(NO3)2 b. .1 M NaC2H3O2 c. .1 M CuSO4
1 answer
asked by
mary
723 views
Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275mL of water to produce a solution that
2 answers
asked by
Melanie
742 views
How many grams of potassium chloride should be added to 1.5kg of water to lower it's freezing point to -7.5°c kf for water
1 answer
asked by
Kavya
708 views
How much ethylene glycol (C2H6O2, the major component of antifreeze) must be added to 1 L of water to keep it from freezing at
2 answers
asked by
Claire
706 views
Suppose you had a 1.00 m solution of AlCl3. Assuming complete dissociation, what is the theoretical change in the freezing point
3 answers
asked by
Celeste
725 views
You are asked to prepare a temperature bath that freezes at -25 degrees C, using only water and ammonium sulfate.
a. How many
2 answers
asked by
Robin
707 views
1) For a freezing point depression experiment we had to create an ice bath and add salt to the ice. I have to answer the
1 answer
asked by
Hannah
717 views
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
1 answer
asked by
natali
712 views
When saccharin is added to pure water, the freezing point of the resulting solution drops to -5.0C, Calculate the freezing point
1 answer
asked by
Lala
713 views
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that
2 answers
asked by
Jaden
716 views
A sample of 10.00g of a solid unknown was dissolved in 25.00g of water. Assuming that pure water freezes at 0.0°C and the
2 answers
asked by
paula
710 views
Can someone confirm that I'd be doing this right?
If an 0.520 m aqueous solution freezes at -3.00 C, what is the van't Hoff
2 answers
asked by
David
676 views
When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is
_C . (The freezing
3 answers
asked by
david
692 views
I am stuck in this problem I need to calculate the molality first so I could find T but I don't know which one is the solvent
3 answers
asked by
Maria
693 views
The freezing point of a 0.10m solution of mercury(I) nitrate is approximately -0.27 degrees celsius. Show that these data
2 answers
asked by
Amy
692 views
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 13.7 L of water to produce an antifreeze solution
2 answers
asked by
yutyh
682 views
A solution is made by dissolving 10.20 grams of glucose (C6H12O6) in 355 grams of water. What is the freezing-point depression
2 answers
asked by
kat
680 views
If the radiation of an automobile contains 12L of water, how much would the freezing point be lowered by addition of 5 kg of
5 answers
asked by
ray
659 views
Which solution has the lower freezing point?
90.0 g CH3OH in 100. g H2O 180.0 g CH3CH2OH in 200. g H2O I have worked this problem
1 answer
asked by
Kelly
659 views
Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species.
1)0.25m
9 answers
asked by
Hannah
662 views
for a question it is given that there is 14.6 g of calcium chloride in 246 g of water. Kf is 1.86 C/m
we need to find the
2 answers
asked by
Ania
648 views
1) Benzene freezes at 5.45 degrees celsius. The Kf for benzene is -5.07C/m. What would be the freezing point of a 0.210m
4 answers
asked by
Hannah
661 views
0.24 grams of benzene (C6H6) is dissolved into 4.9 grams of melted biphenyl. The freezing point of the mixture was determined to
2 answers
asked by
Erin
629 views
Urea, (NH2)2CO, is dissolved in 73.5 g of water. The solution freezes at -0.095°C. How many grams of urea were dissolved to
3 answers
asked by
Irma
656 views
The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 8.50 g of naphthalene (C10H8) in 425 g of
1 answer
asked by
Kelly
625 views
A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of
3 answers
asked by
ryan
627 views
Experiment questions:
Experiment 1 results mass of beaker:116.944 g mass of dodecanoic:11.629 g hot water: 175 C warm water: 10 C
3 answers
asked by
Jessica
628 views
A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent.
2 answers
asked by
Anonymous
603 views
which of the following would be expected to have the lowest freezing temperature?
a. Ca(NO3)2 b. NaC2H3O2 c. CuSO4 d. HC2H3O2 e.
1 answer
asked by
mary
614 views
how many grams of CaCl2 need to be dssolved in 100g of water to prepare a solution which freezes at -2.0 degrees?
Work this
2 answers
asked by
jessica
602 views
The (aq) solution with the lowest freezing temperature would be which of the following:
0.010M NaCl 0.020M NaCl 0.030M C6H1206
2 answers
asked by
anonymous
617 views
assuming complete dissociation of the solute, how many grams of \rm KNO_3 must be added to 275 \rm mL of water to produce a
2 answers
asked by
a
604 views
Consider the below three solvents and the corresponding values of Kf for each. Prove, using the formula for Kf, which one of
3 answers
asked by
Heaton
603 views
Assuming that each system behaves ideally, which solution (.25m KCl or .25m C3H8O3) would have the lower freezing point?
2 answers
asked by
Katelynn
594 views
What effect do each of these have on the freezing point of the solvent?
a. a nonvolatile solute that dissociates in the solvent
3 answers
asked by
Sylvia
580 views
A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing-point depression of
2 answers
asked by
MadiB PLEASE HELP :(
565 views
What is the freezing point of an aqueous 2.25 m potassium nitrate (KNO3) solution? The freezing point of pure water is 0.0ºC
2 answers
asked by
Cecillia
574 views
Something that will lower the freezing point of water to -3.7 degrees Celsius if one mole were placed in 1000 grams of water? To
5 answers
asked by
A
546 views
When dissolved in 1000 g of water, which chemical compound will produce a solution with the greatest freezing point depression?
2 answers
asked by
mercedes
532 views
calculate the freezing point of a solution containing 12.2 grams of benzoic acid, dissolved in 250 grams of nitrobenzene. the
2 answers
asked by
Joshua
530 views
A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The
2 answers
asked by
Lisa
544 views
68.0g of solute were dissolved in 393 mL of benzene. The solution froze at -0.50°C. The normal freezing point of benzene is
2 answers
asked by
Jessica
524 views
What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure
2 answers
asked by
Michelle
538 views
When 18 g of ethylene glycol C2H6O2 is dissolved in 150 g of pure water, the freezing point of the solution is ___ (degrees)C. (
3 answers
asked by
Jared
537 views
a chemist is asked to identify 2 solutions whose labels have peeled off. One is known to contain 1.0 mol of NaCl, the other is 1
1 answer
asked by
Kim
520 views
Vitamin K is involved in normal blood clotting. When 2.40 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point
2 answers
asked by
Shardai
522 views
. What is the freezing point of a solution that contains 3.5 mol of the ionic solid BaCl2 dissolved
in 500. grams water?
2 answers
asked by
Raam
516 views
no idea how to do this! Please help!
Determine the freezing point of a water solution of fructose( C6H12O6) made by dissolving
1 answer
asked by
Anonymous
507 views
Calculate the expected freezing point of a solution of 0.579 g pelargonic acid in 4.225 g of lauric acid, if the melting point
2 answers
asked by
Amanda
489 views
How would i found out the freezing point of a solution which has 0.05mol of acetic acid dissolved into 125g of benzene? Benzene
1 answer
asked by
Chris
486 views
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