Respuesta :
Answer: There are 0.00269 moles of acetic acid in buffer.
Explanation:
To calculate the number of moles for given molarity, we use the equation:
[tex]\text{Molarity of the solution}=\frac{\text{Moles of solute}\times 1000}{\text{Volume of solution in ml}}[/tex] .....(1)
Molarity of acetic acid solution = 0.0880 M
Volume of solution = 30.6 mL
Putting values in equation 1, we get:
[tex]0.0880M=\frac{\text{Moles of acetic acid}\times 1000}{30.6ml}\\\\\text{Moles of acetic acid}=\frac{0.0880\times 30.6}{1000}=0.00269mol[/tex]
Thus there are 0.00269 moles of acetic acid in buffer.
There are 0.00269 moles of acetic acid in buffer.
Calculation for number of moles:
To calculate the number of moles for given molarity, we use the equation:
Molarity = Number of moles of solute * 1000 / Volume of solution .....(1)
Given:
Molarity of acetic acid solution = 0.0880 M
Volume of solution = 30.6 mL
On substituting the values:
0.0880 = Number of moles of solute * 1000 / 30.6
Number of moles of solute = 0.0880 *30.6 / 1000
Number of moles of solute = 0.00269 moles
Thus, there are 0.00269 moles of acetic acid in buffer.
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