Titration Skills

What mass of KHP will be completely neutrilized by 32.57 cm³ 0.175 M standard NaOH solution? The Molar Mass of KPH is 204.22 g/mol.

• 23.28 g KHP

• 1.164 g KHP

• 11.64 g KHP

• 2.328 g KHP

Tags

NGSS.HS-PS1-7

Calculate the volume of a 0.15 M Ba(OH)2 solution required to completely neutralize 45 cm³ of a 0.29 M HNO3 solution.

• 43.5 cm³

• 87 cm³

• 23.3 cm³

• 51.9 cm³

For the acid-base titration combination of NaOH with 0.79 mol HCl, find the number of moles of NaOH that would be the chemically equivalent amount of HCl.

• 0.79 mol

• 1.6 mol

• 0.38 mol

• 3.2 mol

What is the endpoint of a titration

• When the acid and alkali exactly neutralise each other

• Where there is no acid left

• At the end

• When there is no alkali left

What is this piece of apparatus called

• Pipette

• Burette

• Janette

• Cuvette

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

• 2.5mL

• 5mL

• 25mL

• 50mL

From the list of indicators shown, choose one that is suitable for this reaction.

• Phenolphthalein

• Bromophenol Blue

• Bromocresol Green

• Any indicator can be used and an accurate result will be obtained.

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

How many moles of Ca(OH)₂ are needed to neutralize three moles of HCl? 

• 8

• 1.5

• 6

• 3

If phenolphthalein turns bright pink, it indicates

• an acid 

• a base

• a neutral