Home » Chemical Reactions in Aqueous Solutions

Category Archives: Chemical Reactions in Aqueous Solutions

Categories




Titrations in Chemical Reactions problems

Acid-Base Titration example question

A 2.000-g sample of a sulfuric acid solution that is 96.5% H2SO4 by mass is dissolved in a quantity of water and titrated. What volume of 0.3580 M KOH(aq) is required for the titration? Assume that at the equivalence point the solution in the flask is K2SO4(aq).

 

Solution to this Acid-Base Titration practice problem is given in the video below!



 

 

Precipitation Titration example problem

A mixture of 0.1015 g of NaCl and 0.1324 g KCl is dissolved in water and titrated with 0.1500 M AgNO3(aq). What volume of the AgNO3(aq) will be needed to reach the endpoint?

 

Solution to this Precipitation Titration practice problem is given in the video below!



 

 

Redox Titration example

A 20.00-mL sample of KMnO4(aq) is required to titrate 0.2378 g sodium oxalate in an acidic solution. How many milliliters of this same KMnO4(aq) are required to titrate a 25.00-mL sample of 0.1010 M FeSO4 in an acidic solution?

2MnO4(aq) + 16H+(aq) + 5C2O42−(aq) → 2Mn2+(aq) + 8H2O(l) + 10CO2(g)

 

Solution to this Acid-Base Titration practice problem is given in the video below!



 

Oxidation & Reduction in Chemical Reactions problems

Oxidation Number of Atoms in Compounds and Ions example question

Assign an oxidation number to each atom in

a.  Al2O3

b.  P4

c.  CH3F

d.  HAsO42−

e.  NaMnO4

f.  ClO2

g.  CsO2

 

Solution to this Oxidation Number of Atoms in Ions and Compounds practice problem is given in the video below!



 

Precipitate Formation in Chemical Reactions problems

Precipitate in Chemical Reaction example question

Predict whether a precipitation reaction will occur in each of the following cases. If so, write a net ionic equation for the reaction.

(a) MgSO4(aq) + KOH(aq) → ?

(b) FeCl3(aq) + Na2S(aq) → ?

(c) Sr(NO3)2(aq) + Na2SO4(aq) → ?

 

Solution to this Precipitate Formation in Chemical Reactions practice problem is given in the video below!



 

Reactions of Acids & Bases problems

Acid-Base Neutralization example question

Calcium hydroxide is used to neutralize a waste stream of hydrochloric acid. Write

a.  A complete-formula equation,

b.  An ionic equation

c.  A net ionic equation for this neutralization reaction.

 

Solution to this Acid-Base Neutralization Reaction practice problem is given in the video below!



 

Compound & Ion Molarity problems

Molarity of Compounds example question

How many milliliters of 1-butanol, CH3CH2CH2CH2OH, (d = 0.810 g/mL) are required to prepare 725 mL of a 0.350 M aqueous solution of this solute?

 

Solution to this Compound Molarity practice problem is given in the video below!



 

 

Molarity of Ions example problem

Seawater is essentially 0.438 M NaCl and 0.0512 M MgCl2, together with several other minor solutes. What are the molarities of Na+, Mg2+, Cl in seawater?

 

Solution to this Ion Molarity practice problem is given in the video below!



 




February 2024
S M T W T F S
 123
45678910
11121314151617
18192021222324
2526272829  

MathCabin.com 2019-2024 © All Rights Reserved.