How does a buffer resist change in ph upon addition of a strong acid?
1 answer:
Any buffer exists in this equilibrium
HA <=>
In a buffer, there is a large reservoir of both the undissociated acid (HA) and its conjugate base (
)
When a strong acid is added, it reacts with the large reservoir of the conjugate base () forming a salt and water. Since this large reservoir of the conjugate base is used, the ph does not alter drastically, but instead resist the pH change.
HA <=>
In a buffer, there is a large reservoir of both the undissociated acid (HA) and its conjugate base (
When a strong acid is added, it reacts with the large reservoir of the conjugate base (
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<u>Answer:</u> The mass of a solute is 35 grams
<u>Explanation:</u>
To calculate the mass percentage of solute, we use the equation:
Mass percent of solute = 10 %
Mass of solution = 350 g
Putting values in above equation, we get:
Hence, the mass of a solute is 35 grams