How do you calculate gram equivalent weight?

How do you calculate gram equivalent weight?

Gram equivalent weight is equal to mass in grams numerically equal to Equivalent Weight. To calculate the Gram Equivalent Weight, we use the formula Eq = MW / n.

What is the formula to find equivalent?

To calculate the equivalent mass of a base, simply divide the molar mass of the base by the number of hydroxyl groups. Take, for example, calcium hydroxide Ca(OH)₂. A few simple calculations yield an equivalent of 37g/mol. To find the equivalent of an acid, divide the acid’s molar mass by the number of protons.

What is equivalent weight in titration?

The equivalent weight of an acid is the mass of acid required to generate one mole of hydrogen (hydronium) ion in aqueous solution. For an acid that contains more than one ionizable hydrogen, the equivalent weight is a fraction of the molar mass.

How do you calculate equivalent weight from normality?

Normality Formula

1. Normality = Number of gram equivalents × [volume of solution in litres]-1
2. Number of gram equivalents = weight of solute × [Equivalent weight of solute]-1
3. N = Weight of Solute (gram) × [Equivalent weight × Volume (L)]
4. N = Molarity × Molar mass × [Equivalent mass]-1

What is the equivalent weight of HCl?

85.1g.
Now equivalent mass is given as the molecular weight divided by the n-factor. Therefore, the equivalent mass of HCl is 85.1g.

What is the meaning of equivalent weight?

Equivalent weight, in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another substance in a particular reaction. The equivalent weight of an element is its gram atomic weight divided by its valence (combining power).

What is equivalent weight of NaCl?

The valence of NaCl is 1. Equivalent Weight = Molecular weight/ Valency. = 58.44 / 1 = 58.44 g/mol. Therefore, the equivalent weight of sodium chloride (NaCl) is 58.44 g/mol.

How do you find the equivalent weight of NaCl?

Complete step-by-step answer: Equivalent weight is obtained by dividing molecular weight by the valence of the element. Since only one hydrogen atom could bond with NaCl hence the valence is 1. Hence, option A is correct.

How do you find the equivalent weight in a titration?

Equivalent weights may be calculated from molar masses if the chemistry of the substance is well known: sulfuric acid has a molar mass of 98.078(5) g mol−1, and supplies two moles of hydrogen ions per mole of sulfuric acid, so its equivalent weight is 98.078(5) g mol−1/2 eq mol−1 = 49.039(3) g eq−1.

What is normality and equivalent weight?

What is Normality? Normality refers to the gram equivalent of the substance being dissolved in one liter of the solution. Gram equivalent weight can be defined as the molecule’s reactive capacity. It is measured as ‘N’,eq/L or meq/L where ‘eq’ stands for equivalents while ‘meq’ stands for milliequivalent.

How do I calculate equivalent weight?

The simplest method to calculate the equivalent weight is to divide molar mass of the substance by its valency. Moreover, equivalent weight describes the % share of each atom in any molecule.

What is the meaning of “equivalent weight” and its formula?

By definition, equivalent weight is the mass of the substance that would react with 1g of hydrogen. Therefore you must divide the mass by 2 to get equivalent weight. In fact, this formula based definition of equivalent weight of an element is identical with the definition mentioned earlier in this answer.

What is the formula of equivalent weight?

Equivalent Weight Formula. The following formula is used to calculate an equivalent weight. EW = MW / ΔE. Where EW is the equivalent weight; MW is the molecular weight

How to calculate equivalent mass?

Enter the molecular weight,valency value,and x for the unknown in the input field