Free Math help and Resourses

Free math resources

Normality calculation - example problems 03/31/2023

This video explains unit of concentration of aolution known as Normality with examples. You will also learn how to calculate equivalent mass, number of gram equivalent of a solute.

Normality calculation - example problems This video explains the unit of concentration of solution known as Normality with examples. You will also learn how to calculate equivalent mass, number of g...

Non Ideal solution - Chemistry 03/28/2023

This videos explains non-ideal solution with its characteristic and examples.

Non Ideal solution - Chemistry This video explains non-ideal solution solutions with their characteristics and example.

Ideal Solution - Chemistry 03/12/2023

This video explains the Ideal solution with its characteristics. The ideal solution must obey Raoult's law, heat change on mixing is zero, and volume change on mixing is zero.

Ideal Solution - Chemistry This video explains the Ideal solution with its characteristics. The ideal solution must obey Raoult's law, heat change on mixing is zero, and volume change ...

Normality calculation - example problems 02/09/2023

This video explains unit of concentration called Normality with example problems. You will also learn how to calculate equivalent mass.

Normality calculation - example problems This video explains the unit of concentration of solution known as Normality with examples. You will also learn how to calculate equivalent mass, number of g...

Relationship between Normality and Molarity 02/02/2023

This video explains the relationship between Normality and Molarity. This mathematical relationship is very useful in solving numerical problems.

Relationship between Normality and Molarity This video explains the relationship between Normality and Molarity. This mathematical relationship is very use full in solving problems. We can calculate th...

Example problems on Raoult's law 01/26/2023

This videos explains example problems on Raoults law.

Example problems on Raoult's law This videos explains some example problems on Raoult's law. 1) 100g of liquid A (molar mass 140 g mol-1) was dissolved in 1000 g of liquid B (molar mass 180g...

Raoult's law 01/15/2023

This video explains Raoult’s law which states the that at the given temperature, for a solution of volatile liquids, the vapour pressure of each component in the solution is directly proportional to its mole fraction.
This video also explains the graphical representation of vapour pressure and mole fraction.

Raoult's law This video explains Raoult's law which states that at the given temperature, for a solution of volatile liquids, the v***r pressure of each component in the ...

Henry's Law explained - Partial pressure, gas solubility, and mole fraction 01/01/2023

This video explains Henry’s law. This demonstrates the effect of pressure on the solubility of the gas in a solution. This video also explains the relationship between partial pressure and mole fraction.
Solubility of a gas decreases with increase in temperature.

Henry's Law explained - Partial pressure, gas solubility, and mole fraction This video explains henry's law and demonstrate effect of pressure on gas solubility in a solution. This video also explains the relationship between partial...

Normality Calculation 12/26/2022

This video explains unit of concentration of solution known as normality with an example. Normality is temperature dependent.

Normality Calculation This video explains the unit of concentration of solution known as Normality with an example. Normality is temperature dependent and changes with temperature...

How to Calculate Mole Fraction - problem 12/11/2022

This video explains the unit of concentration of a solution known as mole fraction. The sum of mole fractions of all the components in a solution is always equal to one.

How to Calculate Mole Fraction - problem This video explains unit of concentration of a solution know as mole fraction with an example.The sum of mole fractions of all the components in a solution i...

Molarity of a solution - Chemistry 12/10/2022

This video explains unit of concentration of solutions known as Molarity. Molarity changes with change in temperature because volume is directly proportional to the temperature.

Molarity of a solution - Chemistry This video explains unit of concentration of a solution known as Molarity with examples. What will be the molarity of a solution containing 5g of sodium hyd...

Parts Per Million (ppm) - Chemistry 12/03/2022

Unit of concentration of solution. Part per million(ppm)

Parts Per Million (ppm) - Chemistry This video explains the units of concentration of solution known as parts per million ppm with examples. When the solute is present in very small amounts, t...

HOW TO SOLVE FOR PERCENT BY MASS & PERCENT BY VOLUME 11/24/2022

Mass percentage of a solution

HOW TO SOLVE FOR PERCENT BY MASS & PERCENT BY VOLUME This video explains the examples of units of concentration of a solution. Mass percent and Volume percent with example

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