Final Exam Review #4 - Solutions

What is the molarity of 4 g of NaCl (molar mass=58.45 g/mol) in 3,800 mL of solution?

• 0.018 M

• 0.0011 M

• 1.052 M

• 0.062 M

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (molar mass = 58.45 g/mol)?

• 0.625 g NaCl

• 625 g NaCl

• 36.5 g NaCl

• 0.04 mol NaCl

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate 

Tags

NGSS.HS-PS1-2

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺ _(aq) + 2Cl^- _(aq) → CaCl _(s)

• Ag⁺ _(aq) + Cl^- _(aq) → AgCl _(s)

• Ag + Cl → AgCl

• Ag⁺ + Ca²⁺ →Ag₂Ca _(s)

Which of the following does NOT form a precipitate?

• Pb(NO₃)_{2 (aq)} + 2KI _(aq) →

• Sr(NO₃)_{2 (aq)} + K₂SO_{4 (aq)} →

• AgNO_{3 (aq)} + Na₂S _(aq) →

• Pb(NO₃)_{2 (aq)} + AgNO_{3 (aq)} →

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

• silver and nitrate
• sodium and chloride
• sodium and nitrate
• silver and chloride

In this equation,
CuCl₂ + NaOH  → Cu(OH)₂ + NaCl
Which product is insoluble?

• copper(II) hydroxide
• sodium chloride
• sodium hydroxide
• copper(II) chloride

Which of these results in formation of a precipitate?

• BaNO_{3 (aq)} + NaCl _(aq)→

• KNO_{3 (aq)} + LiOH _(aq)→

• Zn(NO₃)_{2 (aq)} + NaOH _(aq)→

• NaNO_{3 (aq)} + Ba(OH)_{2 (aq)}→