Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Solutions
Freezing Point Depression
Why would .25 molality of CaCl2 have a larger effect on the freezing point of water than .25 molality of NaCl?
1 answer
sodium chloride puts two ions in solution, and calcium chloride puts three ions in solution
You can
ask a new question
or
answer this question
.
Similar Questions
Assuming complete dissociation, what is the molality of an aqueous solution of KBr whose freezing point is -2.95 ∘C? The molal
Top answer:
Well, well, well. It seems like you need some help with molality, my friend. Alright, let me put on
Read more.
How would I go about doing this question, can someone explain it step by step please, my answer I keep getting is 1.17m CaCl2,
Top answer:
1.30 M means 1.30 moles / liter of solution 1 mole CaCl2 = 111.0 g (How do you get that?) 1.30 mol x
Read more.
What is the freezing point of an aqueous 2.65 m calcium chloride (CaCl2) solution? The freezing point of pure water is 0.0ºC
Top answer:
You have three ions in the solution (one Ca++, two Cl-). freezingpoint= -1.86*3*2.65
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.
The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure
Top answer:
Yes, delta T is 0.69. Then new freezing point is 79.4-0.69 = ? If your prof watches significant
Read more.
When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5 oC. What was the molality of the magnesium
Top answer:
Ah, the fascinating world of chemistry! So, you've got some MgF2 and water, and they're having a
Read more.
Colligative Properties
The freezing point of distilled water was determined by recording a thermogram: -0.176 degrees Celsius.
Top answer:
a. freezing pt depression: -.904+.176 b. freezing pt depression=effectivem*(-.52) solvefor effective
Read more.
From the following:
pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
Top answer:
a) pure water b) CaCl2 c) CaCl2 d) pure water e) CaCl2
Read more.
From the following:
pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
Top answer:
a)Water b)CaCl2 c)CaCl2 d)Water e)CaCl2
Read more.
The freezing-point depression for a given aqueous solution is 0.32 K. The freezing-point depression constant for water is 1.86
Top answer:
I assume this is a non-ionic solution. See my response to your question above or dT = Kf*m You know
Read more.
Related Questions
Energy Conservation Quick Check
1.Is freezing an endothermic or exothermic process? How do you know?(1 point) Freezing is
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2
(formula weight = 164 g/mol) in 115 g of
What is the freezing point of a solution prepared by adding 264g of copper(ii) sulfate to 4 liters of water? The freezing point
1. Which of the following is not true?
a. The freezing point of sea water is lower than the freezing point of pure water. b. The
Consider the dissolution of CaCl2.
CaCl2(s) Ca2+(aq) + 2 Cl-(aq) ÄH = -81.5 kJ A 10.4-g sample of CaCl2 is dissolved in 102 g of
The following is a list of abiotic factors that would have a micro-effect on a tidal pool (rocky pockets of water where the
The freezing-point depression is -0.930 Celsius degree. Determine the molality of the solution of an unknown nonelectrolyte in
Antifreeze protects a car from freezing and from overheating. Calculate the freezing-point depression of a solution containing
Which change is chemical?(1 point)
Responses water freezing: liquid water becoming solid water water freezing: liquid water
which solution has highest freezing point if all are at the same molality
calcium chloride sodium nitrate potassium sulfate