CHEMISTRY II QUIZ TRITATIONS

Acid + Base ₋--> 

• salt + hydrogen
• salt + water
• salt + carbon dioxide + water
• salt

HCl + NaOH → 

• NaH + ClOH
• NaCl + H₂
• NaCl + H₂O
• NaCl + Cl₂

Tags

NGSS.HS-PS1-7

What indicator is commonly used in titrations?

• Phenolphthalein
• Bromothymol Blue 
• Litmus
• Universal 

I am titrating 1M HCl with 1M NaOH.  I have 25mL of HCl. How much NaOH will I need?

• 2.5mL
• 5mL
• 25mL
• 50mL

Tags

NGSS.HS-PS1-7

what is the reading on this burette?

• 4.40mL
• 3.50mL
• 3.60mL
• 4.50mL

The following neutralization reaction occurs in the classroom.
HCl  +  KOH  -->  H₂O  +  KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if 15.0mL of acid neutralized?

• 0.8M
• 1.2M
• 12.5M

Tags

NGSS.HS-PS1-7

A 0.95 M solution of 10.0 mL Al(OH)₃ is neutralized using a 2 M solution of H₂SO₄.  How much H₂SO₄ was needed?
3H₂SO₄  +  2Al(OH)₃  -->  6H₂O  +   1Al₂(SO₄)₃

• 0.1 mL
• 7 mL
• 5 mL
• 0.2 mL

If phenolphthalein turns bright pink, it indicates

• an acid 
• a base
• a neutral