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WorksheetsACID BASE TITRATION
Total questions: 21
Worksheet time: 39mins
The name of the apparatus used for holding the titrant is__________
Conical flask
Burette
Pipette
Volumetric flask
In acid-base titration, the equivalent point is when
a certain amount of acid has reacted completely with a certain amount of base according to stoichiometry
a certain amount of acid has reacted partially with a certain amount of base according to stoichiometry
What is the purpose of indicator solutions?
To signal the end of a reaction
To colour the solution
To complete the reaction
To equivalent the reaction
Choose the indicator solutions used for acid-base titration
Phenolphtalein solution
Methyl red solution
Methyl orange solution
Fluoresceine solution
I am titrating 1.0 M HCl with 0.5 M NaOH. I have 25 cm3 of HCl. How much NaOH will I need?
2.5 cm3
5 cm3
25 cm3
50 cm3
Identify the products of the chemical equation
3LiOH + H3PO4 →
Li3PO4 + 3H2O
LiPO4 + 3H2O
Li(PO4)3 + 3H2O
LiPO43 + 3H2O
How many moles of Ca(OH)2 are needed to neutralize three moles of HCl?
8
1.5
6
3
The reaction of hydrochloric acid (HCl) with ammonia (NH3) is described by the equation:
HCl + NH3 → NH4Cl
A student is titrating 100.0 cm3 of 0.10 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the ammonia?
20.0 cm3
500.0 cm3
100.0 cm3
5.0 cm3
What is the endpoint
When the indicator is added
When neutralization occurs
When the standard solution is prepare
A salt is made from..
anion of the acid and cation of the base
cation of the acid and anion of the base
anion of the acid and cation of the acid
anion of the base and cation of the base
According to this graph, where is the equivalence point?
What is the equivalence point of a titration?
Where the amount of acid and base are balanced according to the equation
Where there is no base
At the end
A chemical used to show the end point of titration is called
acid
base
pipette
indicator
Phenolphthalein is colourless in
acid
base
burette
a liquid
What colour is phenolphthalein in base?
colourless
pink
yellow
red
Why do we perform a titration?
To determine the concentration of an unknown solution
To see if a reaction will occur between an acid and base
To find the mass of an unknown acid
To find the molar mass of an unknown solution
To calculate the viscosity of the solution
Which point on the titration curve corresponds to the point at which the moles of the added strong base are equal to the moles of the weak acid initially present?
Q
R
S
T
