acp review 2 semester 2

How many grams of NaCl are needed to 100 grams of water at 50⁰C? Hover over the graph to see it better.

• 25

• 15

• 38

• 50

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Which solute is the most soluble at 10 ⁰C?

• KI
• KClO₃
• NH₄Cl
• NH₃

Which solute does not increase in solubility as temperature rises?

• NH₃
• NaNO₃
• KNO₃
• NaCl

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

What does pH measure?

• strength of an acid

• strength of a base

• strength of both acids and bases

• concentration of H+ ions

As the pH of a solution gets lower, the solution becomes more _____.

• acidic

• basic (or alkaline)

• neutral

• ionic

The pH of 4 solutions were measured in a lab. Which solution is the most acidic?

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• 
• 
• 

The pH of 4 solutions were measure in a lab. Which of the solutions is the most basic (alkaline)?

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• 
• 
• 

Which terms refer to how well an acid or base ionizes in a solution?

• strong or weak

• concentrated or dilute

• neutral or charged

• acid or base