Table 3: Data collected from experiment\ \\\\table[[\\\\table[[Measurement],[number]],Drops of

HCI

,Water

pH

,Buffer Solution pHI],[1,\\\\table[[0 (initial pH of DI],[water)]],7.0,7.1],[2,

1^(st )

drop,6.0,7.1],[3,

2^(nd )

drop,5.5,7.09],[4,

3^(dr )

drop,3.9,7.09],[5,

4^(th )

drop,3.7,7.09],[6,

5^(th )

drop,3.1,7.08],[7,

6^(th )

drop,2.0,7.09],[8,

7^(th )

drop,1.9,7.1],[9,

8^(th )

drop,1.8,7.09],[10,

9^(th )

drop,1.4,7.08]]\ Questions:\ How does the addition of

1MHCl

change the

pH

of the buffer solution?\ Graph the

pH

as a function of the drops of

1MHCl

added. The

pH

should be on the

Y

-axis and the drops of

1MHCl

on the X-axis.\ Based on the graph above, how would you describe the rate at which the

pH

value of the solution changed?\ Compare the magnitude and rate of

pH

change of

1MHCl

added to

DI

water versus that of

1M

HCl

added to your buffer solution. What changes and similarities did you observe?\ BIOS251\ Week 2 Lab Instructions\ Page 5 of 9

Questions: 1. How does the addition of 1MHCl change the pH of the buffer solution? 2. Graph the pH as a function of the drops of 1MHCl added. The pH should be on the Y-axis and the drops of 1MHCl on the X-axis. 3. Based on the graph above, how would you describe the rate at which the pH value of the solution changed? 4. Compare the magnitude and rate of pH change of 1MHCl added to DI water versus that of 1M HCl added to your buffer solution. What changes and similarities did you observe? Questions: 1. How does the addition of 1MHCl change the pH of the buffer solution? 2. Graph the pH as a function of the drops of 1MHCl added. The pH should be on the Y-axis and the drops of 1MHCl on the X-axis. 3. Based on the graph above, how would you describe the rate at which the pH value of the solution changed? 4. Compare the magnitude and rate of pH change of 1MHCl added to DI water versus that of 1M HCl added to your buffer solution. What changes and similarities did you observe