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
aleksklad [387]
3 years ago
15

What is the ph of a buffer prepared by adding 0.607 mol of the weak acid ha to 0.609 mol of naa in 2.00 l of solution? the disso

ciation constant ka of ha is 5.66×10−7?
Chemistry
1 answer:
Paraphin [41]3 years ago
6 0

Given:

0.607 mol of the weak acid

0.609 naa

2.00 liters of solution

 

The solution for finding the ph of a buffer:

[HA] = 0.607 / 2.00 = 0.3035 M 
[A-]= 0.609/ 2.00 = 0.3045 M 
pKa = 6.25 

pH = 6.25 + log 0.3045/ 0.3035 = 6.25 is the ph buffer prepared.

You might be interested in
What is the chemical equation of BaO+O2→BaO2 ?
jeka57 [31]
<span>2 BAO2 = 2 BAO + O<span>2 is the balanced equation</span></span>
6 0
3 years ago
When a piece of sodium metal is kept in water in chemical equation​
jekas [21]

Explanation:

Sodium metal reacts rapidly with water to form a colourless basic solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. 

7 0
3 years ago
Read 2 more answers
During steps 6–8, the
Allushta [10]

Answer:

Particle Size

Reaction rate

3 0
3 years ago
Which organism is the carnivore in this food web?
mihalych1998 [28]
Among the choices, the only one that can be considered a carnivore is C. Adelie penguin. Adelie penguins are found in the Arctic, and feed on aquatic creatures such as krill, fish, and squid. Krill is a type of crustacean that feeds on phytoplankton, which is at the bottom of the food chain.
8 0
3 years ago
Explain why a luminous flame of a Bunsen burner produces bright yellow light​
telo118 [61]

Answer:

because of the small soot particles

4 0
3 years ago
Read 2 more answers
Other questions:
  • Question 4 what is the term for a group of atoms held together by covalent bonds that bears an overall negative or positive char
    13·1 answer
  • Does Mg or Ne have a higher electronegativity value
    11·2 answers
  • Which shell are the valence electrons of a germanium atom in the ground state located
    11·1 answer
  • An electromagnetic wave that has a lower frequency than infrared radiation will have ____ than the infrared radiation. longer wa
    15·1 answer
  • At 20 degrees celsius, how much sodium chloride could be dissolved in 2L of water
    5·1 answer
  • At what temperature is the following reaction at equilibrium? 2Na, O, + 2H,0 + 4NaOH + O, AH° = -109 kJ, ASO = -133.2 J/K
    7·1 answer
  • Coral reef are threatened today mainly because
    10·2 answers
  • Which two statements best describe how oceans affect climate?
    13·2 answers
  • Convert 48 000 cg to g
    5·1 answer
  • ) Which direction does thermal energy flow in the following diagram? *
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!