What is equivalent mass



How do you calculate equivalent weight?

The procedure to use the equivalent weight calculator is as follows:

  1. Enter the molecular weight, valency value, and x for the unknown in the input field
  2. Now click the button “Calculate x” to get the result
  3. Finally, the equivalent weight value will be displayed in the output field

How to calculate mole equivalent?

The tool is really user friendly, and pretty straightforward to use:

  • Pick one of the possible groups of compounds (you can choose one from Common Gases and Liquids, Salts, Acids, Alkali, Organic, or Pure Metals).
  • Find the chemical of your desire from the second list. …
  • Input the mass of your substance.
  • …And that’s all! …
  • You can also find the total number of molecules (or atoms) in the Advanced mode.

How to determine equivalents chemistry?

in this type, spectroscopy is used to determine the equivalence point if the spectrum of the reactant, product or titrant is known. A specific amount of the product and reactant is used to find the equivalence point. A very low level of the free titrant’s presence can also be determined.

What is the equivalent mass of CH3COOH?

››CH3COOH molecular weight. Molar mass of CH3COOH = 60.05196 g/mol This compound is also known as Acetic Acid.. Convert grams CH3COOH to moles or moles CH3COOH to grams. Molecular weight calculation: 12.0107 + 1.00794*3 + 12.0107 + 15.9994 + 15.9994 + 1.00794


How is equivalent mass defined?

Solution : The equivalent mass of an element, compound or ion is the number of parts of mass of an element which combines with or displaces 1.008 parts of hydrogen or 8 parts of oxygen or 35.5 parts of chlorine.

What is equivalent mass with example?

As an example, the equivalent weight of the oxygen will be equal to 16.0 g / 2 = 8.0 g. In the acid-base reaction, the equivalent mass of an acid or base is always equal to the amount of mass that supplies or reacts with the one mole of hydrogen ion (H+).

How do you find equivalent mass?

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 mass equivalent mass?

The number of parts by mass of a substance that combines with or displaces 1.008. parts by mass of hydrogen or 8.0. parts of oxygen or 35.5. parts of chlorine is called its equivalent mass (EM).

What is normality and equivalent weight?

Normality is the number of equivalent weights, EW, per unit volume. An equivalent weight is the ratio of a chemical species’ formula weight, FW, to the number of its equivalents, n. EW=FWn. The following simple relationship exists between normality, N, and molarity, M. N=n×M.

What is the difference between equivalent mass and molar mass?

The concept of equivalent weight has been displaced by that of molar mass, which is the mass of one mole of a substance. The equivalent weight of an element is its gram atomic weight divided by its valence (combining power).

Why is equivalent mass important?

The idea of equivalent mass to compare chemically different elements! Atoms combine with each other to form chemical compounds, such that the elements are always present in definite proportions by mass and this property can be used to make chemically different molecules with different mass, equal.

Why is equivalent mass determined?

The equivalent mass is the mass of an acid such that when dissociated will yield one mole of hydrogen ions. We determine equivalent mass and not molecular mass because some acids have more available hydrogen ions than others.

What is equivalent mass of HCl?

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

What does equivalent mean in chemistry?

An equivalent (symbol: officially equiv; unofficially but often Eq) is the amount of a substance that reacts with (or is equivalent to) an arbitrary amount (typically one mole) of another substance in a given chemical reaction.

What is the difference between equivalent mass and equivalent weight?

The key difference between gram equivalent and equivalent weight is that gram equivalent describes that the mass of one equivalent is given in the unit of gram whereas equivalent weight describes the mass of one equivalent in any unit of measurement.

What is equivalent mass of h2so4?

49uSulfuric acid has two hydrogen atoms that can be replaced. As a result, Sulphuric acid’s equivalent weight is 49u.

What is equivalent mass of KMnO4?

31.6The equivalent weight of KMnO4 in acidic medium is 31.6 .

What is equivalent mass of HCl?

85.1gNow 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 equivalent mass of na2co3?

106 g/moleAnswer: 53 g/eq The salt Na2CO3 ionizes to produce 2Na+ and CO3-2. So the charge on both ions is 2. Therefore, the molar mass of Na2CO3 is 106 g/mole.

How to find the equiv­alent mass of a substance?

The for­mu­la for de­ter­min­ing a sub­stance’s equiv­a­lent mass de­pends on the class of the com­pound in ques­tion. It is easy to find the equiv­a­lent mass for ox­ides, for ex­am­ple: di­vide the mo­lar mass of the com­pound by the va­lence of the non-oxy­gen el­e­ment mul­ti­plied by its num­ber of atoms. Let’s look at the equiv­a­lent mass for gold (III) ox­ide, with the for­mu­la Au₂O₃.

How to calculate the equiv­alent mass of a base?

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.

What is the equiv­alent of a substance?

The equiv­a­lent of a sub­stance, also known as the equiv­a­lent quan­ti­ty of a sub­stance, refers to the quan­ti­ty of a sub­stance that in­ter­acts with one mole of hy­dro­gen ions (in an acid–base re­ac­tion) or elec­trons (in a re­dox re­ac­tion).

How to find the equiv­alent of an acid?

To find the equiv­a­lent of an acid, di­vide the acid’s mo­lar mass by the num­ber of pro ­tons. Here is a sim­ple ex­am­ple us­ing sul­fu­ric acid: Find­ing the equiv­a­lent of a salt is also sim­ple: mul­ti­ply the num­ber of met­al atoms by their ox­i­da­tion state, then di­vide its mo­lar mass by the re­sult.

What is equivalent weight in chemistry?

Equivalent weight in chemistry is the most common term used in solution and some basic concept of chemistry in the physical chemistry part. Here, we will have covered the important topics related to the equivalent weight of metal. What is the equivalent weight definition in chemistry?

What is the valency factor of aluminium cation?

The number of positive charge on aluminium cation is three . Therefore, its valency factor or X value will be three .

What is the valency factor of a base?

For the base, X (valency factor) is the acidity. Acidity- Acidity is the number of hydroxyl ions or hydroxide ions released by a base. In the case of calcium hydroxide base Ca (OH)2. Ca (OH)2 →Ca+ + 2 OH-. The number of hydroxyl ions released by the calcium hydroxide base is 2.

What is the molecular weight of aluminium hydroxide?

The molecular weight of the aluminium hydroxide base is 78 g/mol.

What is the number of substances that completely react with each other in the reaction called?

The number of substances that completely react with each other in the reaction is called equivalent weight. In calculating the normality of a solution, the equivalent weight is required.


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