Please help me!!!!!!!!!!
1 answer:
You might be interested in
Formula to find the percent composition of an element in a compound is 
.
Now enter the variables into the formula.
%
Round to 3 significant figures. 15.897% = 15.9%
The answer is 15.9% H
Now enter the variables into the formula.
Round to 3 significant figures. 15.897% = 15.9%
The answer is 15.9% H
Answer:
pH = 4.8
Explanation:
A buffer is formed by a weak acid (0.145 M HC₂H₃O₂) and its conjugate base (0.202 M C₂H₃O₂⁻ coming from 0.202 M KC₂H₃O₂). The pH of a buffer system can be calculated using Henderson-Hasselbalch's equation.