Chem - UNIT 4C - TEST review

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 0.5L?

• 300. M

• 31.3 M

• 3.13 M

• 1.56 M

How many moles are needed to make 2.5 L of a 3.8 M solution?

• 9.5 mol

• 0.66 mol

• 1.5 mol

• 15 mol

Molarity is measured in

• moles per kg
• mols per L
• moles per kJ
• moles per mL

What is the concentration of a solution that has a volume of 2.5 L and contains exactly 2.125 moles of calcium phosphate?

• 264 M

• 0.85 M

• 3.7 M

• 2.0 M

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 0.125L?

• 1074 mol

• 0.069 mol

• 1.07 mol

• 62.7 mol

Only partially dissociates ions in water.

• Strong acid

• Weak acid

Completely dissociates ions in water.

• Strong acid

• Weak acid

H₂SO₄ is an example of a

• Acid

• Base

• Neutral

KOH is an example of a

• Acid

• Base

• Neutral

H₂O is an example of a

• Acid

• Base

• Neutral