Unit 3 Test Review

Front

What is the pH of a neutral substance?

Back

7

Front

Identify the salt in the reaction: Zn(OH)2 + HNO3 → H2O + ?

Back

Zn(NO3)2

Front

What is the name of the acid H3P?

Back

Hydrophosphoric acid

Front

What type of solution is 260g sugar at 50ºC in 100g H2O?

Back

Saturated

Front

What is the name of the acid H3PO4?

Back

Phosphoric acid

Front

What is the definition of a saturated solution?

Back

A solution that cannot dissolve any more solute at a given temperature.

Front

What is the definition of an acid?

Back

A substance that donates protons (H+) in a chemical reaction.

Front

What is the definition of a base?

Back

A substance that accepts protons (H+) or donates hydroxide ions (OH-) in a chemical reaction.

Front

What is the formula for calculating pH?

Back

pH = -log[H+] where [H+] is the concentration of hydrogen ions.

Front

What is the difference between a strong acid and a weak acid?

Back

Strong acids completely dissociate in water, while weak acids partially dissociate.