Universal pH Scale — range?
0 to 14
pH < 7 — solution type?
Acidic
Salt formation — reaction type?
Acid + base = salt + water
Salt solubility — varies how?
Salt-specific, temperature-dependent
Salt reactions — products?
Salt and water
Titration — purpose?
Determine unknown concentration
Endothermic reactions — temperature change?
Temperature decreases
Exothermic reactions — temperature change?
Temperature increases
Activation energy — role?
Minimum energy for reaction to start
Universal indicator — use?
Visually shows pH level
Salt solubility — affected by?
Temperature and salt type
Salt crystallization — purpose?
Isolate and purify salt
Reaction activation energy — effect?
Controls reaction rate
pH scale — neutral value?
7
Salt from seawater?
Sodium chloride (NaCl)
Crystallization — process?
Evaporate or cool solution to form crystals
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1. What does the universal pH scale measure in a solution?
2. Which acid and base should be reacted to produce sodium chloride in a laboratory setting?
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