1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
swat32
3 years ago
13

Choose the aqueous solution that has the highest boiling point.These are all solutions of nonvolatile solutes and you shouldassu

me ideal van't Hoff factors where applicable.
a. 0.100 m NaNO3
b. 0.100m Li2SO4
c. 0.200m C3H8O3
d. 0.060m Na3PO4
Chemistry
1 answer:
lesya [120]3 years ago
4 0

<u>Answer:</u> The correct answer is Option b.

<u>Explanation:</u>

The expression of elevation in boiling point is given as:

\Delta T_b=i\times k_b\times m

where,

\Delta T_b = Elevation in boiling point

i = Van't Hoff factor  

T_b = change in boiling point

k_b = boiling point constant

m = molality

For the given options:

<u>Option 1:</u>  0.100 m NaNO_3

Value of i = 2

So, molal concentration will be = (0.100)\times 2=0.200m

<u>Option 2:</u>  0.100 m Li_2SO_4

Value of i = 3

So, molal concentration will be = (0.100)\times 3=0.300m

<u>Option 3:</u>  0.200 m C_3H_8O_3

Value of i = 1  (for non-electrolytes)

So, molal concentration will be = (0.200)\times 1=0.200m

<u>Option 4:</u>  0.060 m Na_3PO_4

Value of i = 4

So, molal concentration will be = (0.060)\times 4=0.24m

As, the molal concentration of Li_2SO_4 is the highest, so its boiling point will be the highest.

Thus, the order of increasing boiling points follows:

NaNO_3=C_3H_8O_3

Hence, the correct answer is Option b.

You might be interested in
CHEMISTRY MCQ HELP NEEDED, THANKS!
leonid [27]
D odours
Thats the answer please mark me as brainiest

7 0
3 years ago
Read 2 more answers
Name one gas that can form when the carbon in coal burns! And describe its harmful effects
nalin [4]
Coal is mainly made of carbon and there’s oxygen in the air so this burns to produce carbon dioxide. Breathing it can really hurt your lungs.
4 0
3 years ago
For the IMAGINARY molecular compound fluorine tri nitride having the formula: FN3
arsen [322]

Answer:

Hyu

Explanation:

5 0
2 years ago
If you know the answer I could really use some help rn!
FinnZ [79.3K]
Gamma rays contain much more energy (most penetrating) than radio waves because they have a greater frequencies.
Radio waves are the electromagnetic waves with the longest wavelengths (1dm to 100 km), lowest frequencies (3kHz to 3GHz) and lowest energy (124 peV to <span>12,4 μeV).
</span>Gamma rays are the electromagnetic waves with the shortest wavelengths (1 pm), highest frequencies (300 EHz) and highest energy (1,24 Me<span>V</span>).
8 0
3 years ago
why do you think you can find silver and gold on their own in rocks but calcium and magnesium are combined with other elements t
katrin [286]

Explanation:

Silver and Gold belong to a special group of metals known as the native metals. They are found naturally on their own and not in combined form in rocks.

  • These metals are found uncombined because they are unreactive.
  • They prefer to alloy with themselves.
  • Calcium and magnesium on the other hand are reactive metals.
  • The unreactivity of these metals makes them uncombined in nature.
4 0
3 years ago
Read 2 more answers
Other questions:
  • I WILL MARK BRAINLIEST
    12·1 answer
  • What mass of sodium oxalate na2c2o4 is needed to prepare 0.250 l of a 0.100 m solution?
    15·2 answers
  • How many molecules of NaCl are there in 250 grams of table salt
    13·1 answer
  • What is the volume of the rectangular prism?<br> OA) 14 cubic units
    8·1 answer
  • If a piece of rock that has a volume of 0.73 L and a mass of 1524 g, what is the density of the rock in g/mL?
    7·1 answer
  • As you are researching the Zebra Mussel, keep in mind the following questions. 1. Where is this organism found? 2. How was this
    12·1 answer
  • Calculate the pZn of a solution prepared by mixing 25.0 mL of 0.0100 M EDTA with 50.0 mL of 0.00500 M Zn2 . Assume that both the
    7·1 answer
  • In coca cola the ingridents are : CARBONATED WATER.
    9·1 answer
  • Help please, please,please. ....​
    12·1 answer
  • Which property makes the materials used in fiber optic cables so useful?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!