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
elena-14-01-66 [18.8K]
3 years ago
14

a radiator is filled with a mixture of 3.25kg ethylene glycol (C2H6O2) in 7.75kg of water. calculate the molality of this questi

on
Chemistry
1 answer:
Vladimir [108]3 years ago
5 0
3.25 kg in g = 3.25 * 1000 = 3250 g

Molar mass C₂H₆O₂ =  62.0 g/mol

Mass solvent = 7.75 kg

Number of moles:

n = mass solute / molar mass

n = 3250  / 62.0 

n = 52.419 moles

Molality = moles of solute / kilograms of solvent

M = 52.419 / 7.75

M = 6.7637 mol/kg

hope this helps!
You might be interested in
Your brain and spinal cord are joined to the other parts of your body through __________.
Lostsunrise [7]

Answer is A

You never run down adjacent to you spinal cord and bones. That’s where they are the most protected. There are also holes in the pelvis bone for nerves to pass through

5 0
3 years ago
If the last three animals of a species are all females, what will happen to the species?
Tcecarenko [31]

Answer:

B

Explanation:

5 0
3 years ago
Read 2 more answers
How do I answer It ??
IgorC [24]

Recibí tus puntos, lo siento mucho por esto, pero, adiós perra

5 0
3 years ago
Give the result of the following expression with the correct number of significant figures
Marianna [84]
84 m/s x 31.221 s = 2600 m
-rounded from 2622.564 m because 84 m/s has only two significant figures
4 0
3 years ago
Where in the water column would you expect to find the following conditions the highest pressure readings the densest waters the
Verdich [7]
You would find the highest pressure at the bottom

5 0
3 years ago
Other questions:
  • Mirrror metal and wood are the exaple
    11·1 answer
  • The air in a hot-air balloon at 763 torr is heated from 14.0°C to 31.0°C. Assuming that the moles of air and the pressure remain
    5·1 answer
  • If you stirred some sugar in water the sugar would disappear but the water would taste sweet. This is because __________ change
    12·1 answer
  • Which plant characteristic is the least important with regard to attracting bats? (1 point)
    11·1 answer
  • Please somone help me with a chemistry question brainliest to whoever answers correctly and 20 points
    12·1 answer
  • All atoms of the same element:
    9·2 answers
  • How does the molecular formula of a compound differ from the empirical formula? Can a compound’s empirical and molecular formula
    6·1 answer
  • Who else listens to sad music and think of something there not?
    9·2 answers
  • What is the final temp of
    7·1 answer
  • Can someone help me with this please?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!