Titrations

HCl + NaOH → 

• NaH + ClOH

• NaCl + H₂

• NaCl + H₂O

• NaCl + Cl₂

Tags

NGSS.HS-PS1-2

What is the endpoint of a titration

• Where the amount of acid and base are balanced according to the equation

• Where there is no base

• At the end

What is this piece of apparatus called

• Pipette

• Burette

• Janette

• Cuvette

What is the concentration of a HCl solution if 24.7 cm³ of HCl are completely neutrilized by 35.8 cm³ of a 0.25 M NaOH solution?

• 0.362 M

• 3.62 M

• 0.172 M

• 35.4 M

Tags

NGSS.HS-PS1-7

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

I have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?

• 0.8 M

• 1 M

• 1.25 M

Tags

NGSS.HS-PS1-7

A 50.0 mL sample of Ca(OH)₂ is neutralized by 300.0 mL of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)₂ solution.

• 1.0 M

• 0.50 M

• 0.15 M 

• 0.30 M

Tags

NGSS.HS-PS1-7

What is the main purpose of acid-base titrations?

• To test if reactants react.

• To calculate the concentration of unknown acid or base.

• To test quality of reactants.

Tags

NGSS.HS-PS1-7

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 the is 15.0mL of acid neutralized?

• 0.8M

• 1.2M

• 12.5M

Tags

NGSS.HS-PS1-7

what is the reading on this burette?

• 4.40mL

• 3.50mL

• 3.60mL

• 4.50mL