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Grade 11: Solutions, Acids and Bases (Acids, Bases and Salts (What are the…
Grade 11: Solutions, Acids and Bases
Solutions
What are the two parts of a solution?
Solute
Solvent
How can the concentration of a solution vary?
A solution can be dilute
A solution can be concentrated
A solution can be saturated
A solution can be supersaturated
What factors affect solubility?
Temperature
Pressure
Acids, Bases and Salts
What are acids and bases?
Acids increase hydronium ions present in water
Bases increase hydroxide ions in water
What is the difference between strong and weak acids and bases?
Strong acids and bases break apart completely
Weak acids and bases remain mostly intact
What are the physical properties of acids?
Acids taste sour
Acids conduct an electric current
What are some chemical properties of acids?
Acids are corrosive
What are the physical properties of bases?
Bases taste bitter
Bases feel slippery
Bases conduct an electric current
What are some chemical properties of bases?
Bases are caustic
What is a neutralization reaction?
A reaction between an acid and base to produce a salt and water
Measuring pH
The pH of a solution is a measure of how acidic or basic a solution is.
A solution that has a pH of 7 is neutral.
A solution with a pH value less than 7 is acidic.
A solution with a pH greater than 7 is basic.
How is pH measured?
Acid-base indicator
Universal pH paper
Electronic pH meter
