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
djyliett [7]
3 years ago
9

A monoprotic weak acid, HA , dissociates in water according to the reaction HA ( aq ) − ⇀ ↽ − H + ( aq ) + A − ( aq ) The equili

brium concentrations of the reactants and products are [ HA ] = 0.170 M , [ H + ] = 2.00 × 10 − 4 M , and [ A − ] = 2.00 × 10 − 4 M . Calculate the value of p K a for the acid HA .

Chemistry
1 answer:
lana [24]3 years ago
6 0

Answer: 6.63

Explanation:Please see attachment for explanation

You might be interested in
A hypothetical element has three main isotopes with mass numbers of 51, 53, and 54. If 15.00% of the isotopes have a mass number
Eva8 [605]

Answer: 53.25

Explanation: Please see attachment for explanation. Thanks.!

5 0
3 years ago
When ammonium phosphate and nickel(ii) nitrate solutions are mixed, what precipitates out?
Sphinxa [80]

2(NH4)3PO4 (aq) + 3Ni(NO3)2(aq) ------> Ni3(PO4)2(s) + 6NH4NO3 (aq)

Ni3(PO4)2 is a precipitate.

5 0
3 years ago
Read 2 more answers
In the reaction Ca + Cl2 → CaCl2, what is the mole ratio of chlorine to calcium chloride?
Anit [1.1K]

Answer:

D. 1:1

Explanation:

For every 1 mole of chlorine (Cl₂), there is one mole of calcium chloride (CaCl₂).

So, the mole ratio of chlorine to calcium chloride is 1:1.

Hope this helps. :)

6 0
2 years ago
Read 2 more answers
What is the mass spectrom​
NARA [144]

Answer:

Here's your Answer

Explanation:

the mass spectrum is the graphical representation of the ion abundance versus the mass to charge of the ions separated in mass spectrometer

7 0
3 years ago
The electron configuration of an element is 1s22s22p63s1 Describe what most likely happens when an atom of this element comes ne
trasher [3.6K]

Answer:

They will create an ionic bond.

Explanation:

The atom with the one valence electron will lose its one, because it's a metal and metals will lose electrons to become stable. The nonmetal (with 7 valence electrons) will gain that electron, therefore creating a stable octet for the nonmetal, making the compound stable.

3 0
2 years ago
Other questions:
  • A bacterium called Bacillus thuringiensis (B.t.) contains a protein that can kill cotton ballworms and certain other kinds of ca
    10·2 answers
  • Obsidian is formed when rapidly cooling ions are randomly distributed, creating a _____ texture. wikianswers
    15·2 answers
  • The overall chemical equation is C(s)+H2O(g)->CO(g)+H2(g). To calculate the final enthalpy of the overall chemical equation,
    14·1 answer
  • Using off-road vehicles does not contribute to the process of erosion. true or false
    12·2 answers
  • Two different proteins X and Y are dissolved in aqueous solution at 37 °C. The proteins bind in a 1:1 ratio to form XY. A soluti
    7·1 answer
  • What is the mass of oxygen in 300 grams of carbonic acid (H2CO3)
    14·1 answer
  • What are some of the ways that people can Reduce their use of fossil fuels?
    14·2 answers
  • By examining the diagram, which of the following is NOT needed for photosynthesis:
    11·1 answer
  • When using a slinky, you get compressions and rarefactions after a pulse. How do these properties of a longitudinal wave relate
    8·1 answer
  • Please help picture included 50 points!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!