NAME: GRADE & SECTION: SUBJECT TEACHER: ACTIVITY SHEET in CHEMISTRY 2 WEEK 3-4 1. Describe how a buffer solution maintains its ph. You can cite and example if needed. ne vi lig ar
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NAME:
SUBJECT TEACHER:
GRADE & SECTION:
ACTIVITY SHEET in CHEMISTRY 2 WEEK 3-4
1. Describe how a buffer solution maintains its ph. You can cite and example if needed.
2. Using a concrete evidence, discuss the acid-base property of water.
3. A formic acid buffer is prepared with 0.010 M each of formic acid (HCOOH) and sodium
formate (NaCOOH). The Ka for formic acid is 1.8 x 104. What is the pH of the solution?
What is the pH if 0.0020 M of solid sodium hydroxide (NaOH) is added to a liter of
buffer? What would be the pH of the sodium hydroxide solution without the buffer?
What would the pH have been after adding sodium hydroxide if the buffer concentrations
had been 0.10 M instead of 0.010 M?
either co
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