How does soil structure affect the characteristics of soil? a. It determines the acidity of soil. b. It determines the available
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<u>Answer:</u> The pH of resulting solution is 8.7
<u>Explanation:</u>
To calculate the number of moles for given molarity, we use the equation:
- <u>For TRIS acid:</u>
Molarity of TRIS acid solution = 0.1 M
Volume of solution = 50 mL
Putting values in above equation, we get:
- <u>For TRIS base:</u>
Molarity of TRIS base solution = 0.2 M
Volume of solution = 60 mL
Putting values in above equation, we get:
Volume of solution = 50 + 60 = 110 mL = 0.11 L (Conversion factor: 1 L = 1000 mL)
- To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:
We are given:
= negative logarithm of acid dissociation constant of TRIS acid = 8.3
pH = ?
Putting values in above equation, we get:
Hence, the pH of resulting solution is 8.7