M8D7 Homework Titration

Acid + Base ₋--> 

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

HCl + NaOH → 

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

What indicator is commonly used in titrations?

• Phenolphthalein
• Bromothymol Blue 
• Litmus
• Universal 

What does pH measure?

• Amount of Oxygen Ions
• Amount of Hydrogen Ions
• The amount of salt in a solution
• The density

If phenolphthalein turns bright pink, it indicates

• an acid 
• a base
• a neutral

Using n = MV, calculate the mass required to prepare 2.5 L of 1.0 M NaOH solution. Given the MM for NaOH is 40 g/mol

• 1000 g

• 100 g

• 10 g

• 1 kg

30ml of NaOH is neutralized by 12.3mL of 0.2M solution of HCl. What is the concentration of the NaOH.

• 82 M

• 0.82 M

• 0.49 M

• 0.082 M

1.0 M HCl is being titrated with 0.5 M NaOH. How many mL of NaOH is needed to neutralize 25 ml of HCl?

• 2.5 mL

• 5 mL

• 25 mL

• 50 mL

Tags

NGSS.HS-PS1-5

The reaction of hydrochloric acid (HCl) with ammonia (NH₃) is described by the equation:

HCl + NH₃ → NH₄Cl

A student is titrating 100.0 ml of 0.10 M NaOh with 0.5 M HCl. What volume of HCl must be added to react completely with the NaOH?

• 20.0 mL

• 500.0 mL

• 100.0 mL

• 5.0 mL