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
BabaBlast [244]
3 years ago
5

A student prepares a 0.47mM aqueous solution of acetic acid CH3CO2H. Calculate the fraction of acetic acid that is in the dissoc

iated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. %
Chemistry
1 answer:
Aliun [14]3 years ago
6 0

The fraction of acetic acid that is dissociated is 0.18

Why?

The chemical equation for the dissociation of acetic acid (HAc) is the following:

HAc(aq) + H₂O(l) ⇄ H₃O⁺(aq) + Ac⁻(aq)

To find the fraction of acetic acid that is in the dissociated form (f), we apply the following equation (Ka for acetic acid is 1.76*10⁻⁵). This equation comes from solving the equation of the equilibrium constant for the dissociated fraction of HAc:

f=\frac{-Ka+\sqrt{Ka^{2} +4KaC} }{2C} = 0.18

Have a nice day!

#LearnwithBrainly

You might be interested in
How many helium nuclei fuse together when making carbon?
Gemiola [76]
The answer is the 3. Hope this helped!
8 0
3 years ago
How do surface waves form?
ivann1987 [24]
Ocean surface waves are surface waves that occur at the surface of an ocean. They usually result from distant winds or geologic effects and may travel thousands of miles before striking land. They range in size from small ripples to huge tsunamis. There is surprisingly little actual forward motion of individual water particles in a wave, despite the large amount of forward energy it may carry.
7 0
3 years ago
Calculate the number of molecules?
Ann [662]
87.33 X 10^15 molecules
8 0
3 years ago
Is sponge cake a heterogeneous mixture
maxonik [38]

Answer:

though many may argue that cake batter is a homogeneous mixture because of its observable uniformity, we know it is heterogeneous. ... In other words, the mixture of ingredients from cake batter results in some chemical reactions here and there, but we are still left with a mixture of things that can be separated.

Explanation:

5 0
3 years ago
gas has an initial volume of 2.4 L at a pressure of 1.5 atm and a temperature of 273 K. The pressure of the gas increases to 4.5
QveST [7]
We are given with two set of conditions. To calculate the final volume, we get first the number of moles under the first condition. Using PV=nRT, the number of moles is equal to 0.16 moles. We substitute this together with the other conditions in PV=nRT, the final volume is 0.92 liters.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Which measurement shows a valid estimate for<br> this ruler?<br> 2.3 cm<br> 2.35 cm<br> 2.350 cm
    13·1 answer
  • Which diagram shows a pair of electrons that have opposite spins?<br> OT<br> 11<br> 11<br> 个个
    13·2 answers
  • Models have been created that predict world sea levels will rise if the current global temperature increases continue. If these
    6·1 answer
  • Which description best characterizes the motion of particles in a solid?
    10·2 answers
  • The time required for Earth to rotate once on it's axis
    12·2 answers
  • Why are the elements placed in specific places on the periodic table?
    8·2 answers
  • An over-the-counter medicated foot powder contains camphor, eucalyptus oil, lemonoil, and zinc oxide. Only one of the ingredient
    5·1 answer
  • Electromagnetic waves can transfer with or without blank
    9·2 answers
  • Pls help with my fianals​
    6·1 answer
  • Plz help ASAP it’s dude soon
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!