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
Juli2301 [7.4K]
2 years ago
14

The ionization constant (Ka) of HF is 6.7 X 10 ^-4. Which of the following is true in a 0.1 M solution of this acid?

Chemistry
2 answers:
spin [16.1K]2 years ago
8 0
The ionization equation is:

HF ⇄ H(+) + F(-)

The ionization constant is Ka = [H(+)] * [H(-)] / [HF]

=> [H(+)] * [F(-)] = Ka * [HF]

Given that Ka < 1

[H(+)] * [F(-)] < [HF]

Which is [HF] >  [H(+)] * [F(-)] the option a. fo the list of choices.
n200080 [17]2 years ago
6 0

The correct answer is [HF] is less than [H+][F-]

You might be interested in
A 25.0 mL sample of sulfuric acid is completely neutralized by adding 32.8 mL of 0.116 mol/L ammonia solution. Ammonium sulfate
Paul [167]

Answer:

0.08 mol L-1

Explanation:

Sulfuric acid Formula: H2SO4

Ammonia Formula: NH3

Ammonium sulfate Formula: (NH₄)₂SO₄

H2SO4 + 2NH3 = 2NH4+ + SO4 2-

H2SO4 + 2NH3 = (NH₄)₂SO₄

H2SO4 = (1/2)x (32.8 x 10^-3 L x 0.116 mol L-1)/25 x 10^-3 L

= 0.08 mol L-1

7 0
2 years ago
What are some physical properties of metal
bixtya [17]
Physical properties of metal include shiny, ductile, opaque, malleable and good conduction of heat and electricity
3 0
3 years ago
Pleaseeeeeefgghhbbbbbbbbbb
ehidna [41]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>----------------------------------------------------------------------</h2><h2>ELECTROPLATING </h2>

Electroplating the plating one metal on to the another metal, It is mostly used for preventing corrosion by using copper or chromium or decorate the object by using gold or silver plating.

__________________________________________________________

<h3>Principle:</h3>

When electricity is passed the thin layer of metal is deposited on another metal and water molecule given out as a By-Product, Thus this process works on the principle of Hydrolysis.

<h2>_____________________________________</h2><h2>QUESTION:</h2>

A) Electrolysis

B) Chromium prevents corrosion and gives the fine shining touch to the objects.

C) The metal which is deposited to the object i.e. spoon will be connected to the positive electrode of a battery, Thus it is anode. The spoon at which electroplating is need to be done is connected to the negative electrode, thus the Spoon is cathode.

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2>

5 0
3 years ago
a = Proton transfer d = SN2 Nucleophilic substitution g = Nucleophilic subs at carbonyl(acyl Xfer) b = Lewis acid/base e= Electr
marissa [1.9K]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The solution to this question is shown on the second uploaded image

Explanation:

4 0
2 years ago
According to ___, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas wi
Savatey [412]
Charles law is right answer
7 0
3 years ago
Read 2 more answers
Other questions:
  • 1.What percent of light passes through the sample if its absorbance A=2?
    8·1 answer
  • The element sodium occurs naturally as a light solid with shiny metallic appearance. The diagram shows what will happen when a p
    9·1 answer
  • Which type of bond results when one or more valence electrons are transferred from one atom to another?
    6·1 answer
  • Balance the Following Chemical Equation MgCl2 + AGNO3 = Mg(N03)2 + AGCl
    6·2 answers
  • Guide Questions:
    9·1 answer
  • How much 6.0 M of nitrous acid (HNO2), in milliliters, is needed to make 235 mL of 1.00M<br> HNO2?
    7·1 answer
  • What is the mass of 1.20 x 10^25 atoms of He
    7·1 answer
  • The________ cation will precipitate after the_________ step. Then the _________cation will precipitate after the________ step.
    12·1 answer
  • 09:10 .l . KS
    7·1 answer
  • Definition for starch in science ?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!