Chemistry Assignment Help >> General Chemistry >> Calculation of Equivalent Weight Assignment Help

Equivalent weight of an element can be calculated using the composition of the compound of the given element with any other element whose equivalent weight is known by the knowledge of the law of equivalence.

This law states that one equivalent of an element combines with one equivalent of the other.

Hence, the equivalent weight of an element is the weight of its mole combining with one equivalent of another element.

In general, equivalent weight = (Molecular mass or atomic mass )/(n-factor)

We can easily calculate equivalent weight if we know proper idea about n-factor. n-factor varies for element, salt, acid, base and redox as well as disproportion nation reaction,

(i) Equivalent weight of element = (Atomic weight)/(Valency of element)

(ii) Equivalent weight of acid = (Molecular weight of acid )/(Basicity of te acid (Moles of H⁺ ion furnished in solution))

(iii) Equivalent weight of base = (Molecualar weight of base)/(Acidity of the base (Moles of OH^- ion fumished in solution))



(iv) E (salt)=(Molecular weight ofsalt)/(Moles of metal atoms x valency of metal(total number of cations or anions))

Note: In case of hydrated salt mass of water is included but not the number of H⁺ ion.

(v) Equivalent weight of oxidizing and reducing agent = (Molecular mass)/(Number of electrons lost or gained by one mole reagent)

or change in oxidation number per mole of the oxidising or reducing agent

(vi) Equivalent weight of an ion =(Formula weight )/(Change on ion )

Email Based Assignment Help – Homework Help

We at ExpertsMind offer email based chemistry assignment help, homework help and project help service in general chemistry. We provide online solutions for any grade level from high school to college level or university level. Why ExpertsMind? We commit only if our expert commits to deliver solutions by due date with detailed answers. Our motto is to spread quality of education across the world. From last few years we have excelled in assignment help filed due to our quality of service. We help students till the end when they are fully satisfied with work, without any additional charges. That why we have gained faith of students.

Struggling with chemistry homework – assignment? Get solutions from live online chemistry experts at [email protected] or submit your homework here the form given below. Our instant tutors analyze your work and revert back with price quote which will be economical in student's point of view.