Chapter 11 and 16

How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 

• 2
• 3
• 4
• 6 

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?

• 1074 mol
• 0.069 mol
• 1.07 mol
• 62.7 mol

Tags

NGSS.HS-PS1-7

Which sweet tea would you expect to taste the sweetest?

• 1M
• 3M
• 3.1M
• 2.5M

Tags

NGSS.HS-PS1-5

True or False? The higher the concentration of a solution the less solutes it has in it.

• True
• False

Tags

NGSS.HS-PS1-5

What is the molarity of a solution made by adding 1.565 moles of PbNO₃ to 500 mL?

• 300. M
• 31.3 M
• 3.13 M
• 1.56 M

Tags

NGSS.HS-PS1-7

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

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

Tags

NGSS.HS-PS1-1

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)
 

• Cu²⁺ and OH^1-
• Na²⁺ and Cl^2-
• Na¹⁺ and Cl^1-
• Na¹⁺ and OH^1-

what is the net ionic equation for the reaction 
2NaOH(aq) + CuCl₂(aq) → 2NaCl(aq) + Cu(OH)₂(s)

• 2OH^–(aq) + Cu²⁺(aq)  →  Cu(OH)₂(s)
• 2OH^–(aq) + Na⁺(aq) → NaOH(s)
• 2Cl^–(aq) + Cu²⁺(aq) → CuCl₂(s)
• Cl^–(aq) + Na⁺(aq) → NaCl(s)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)
 

• Cu²⁺ and OH^1-
• Na²⁺ and Cl^2-
• Na¹⁺ and Cl^1-
• Na¹⁺ and OH^1-

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number in front of a chemical formula.
• The number in between the chemical symbols.
• The number behind a chemical formula.