equivalent weight formula calculation definition

Equivalent weight

15/06/2016But one gram equivalent weight means one gram of its equivalent weight i e one gram equivalent weight of Magnesium is 12 gm one gram equivalent weight of Na 2 CO 3 is 53 gm So for compounds with molecular weight equal to its equivalent weight their nomality and molarity is same but for others nomality is always greater than molarity

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Equivalent Mud Weight

Peter Aird in Deepwater Drilling 2019 Low-Equivalent Mud Weight Fluids Low (high-technology drilling fluids solutions) equivalent mud weights have opened up safer operating windows to deliver significantly improved conventional deepwater drilling methods and operational benefits The problems the remain is that the low temperatures experienced in deepwater

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What is gram equivalent and equivalent mass?

[A2A] READ IT CAREFULLY YOU WILL NEVER FORGET First get the concept of Equivalent weight Before that you must know about Molecular mass Equivalent weight ([math]E[/math]) is [math]E= frac{text{Molecular weight}}{n}[/math] Where [math]n[

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A Unified Weight Formula for Calculating the Sample

This paper proposes a unified weight formula for sample variance calculation from weighted successive differences A proof is provided to show that sample variance calculated using the proposed unified weighted formula is mathematically equivalent to the basic definition

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normality

A 1 normal (1 N) solution contains 1 equivalent weight of solute per liter of solution Normality is widely used in analytical chemistry because it simplifies many of the calculations involving solution concentration Every substance may be assigned an equivalent weight The equivalent weight may be equal to the formula weight (molecular weight

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how to calculate number of equivalents

For oxidation and reduction the equivalent weight is related to the electrons (MnO4- + 8H+ + 5e- --- Mn2+ + 4H2O) the equivalent weight is 1/5 of the molar mass (formula weight in grams) eg a 1M solution is 5N (normal) So 1/5th of the molar mass of KMnO4 dissolved in water and made up to 1L would be a 0 2M but 1N as each mole contains the

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What is the difference between molecular mass

Molecular mass equivalent mass and formula mass tells the same thing i e mass of element compound or ion etc but these three are different Molecular mass: It is the mass of substance which indicates how many times the molecule of a substance

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equilibrium

Refer to the definition of equivalent (IUPAC Gold Book): equivalent entity Entity corresponding to the transfer of a $ce{H+}$ ion in a neutralization reaction of an electron in a redox reaction or to a magnitude of charge number equal to 1 in ions In other words $pu{1 equiv}$ is the amount of substance reacting with $pu{1 mol}$ of

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Equivalent mass of acid − Estimated mass Calculation

Equivalent Mass is the amount of substance that combines with or displaces 8 0 g of oxygen (or 1 008 g of hydrogen) usually expressed in grams for acid/base reactions one equivalent donates or receives a mole of protons and the equivalent weight is the ratio of the molecular weight to the number of protons involved in the reaction

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normality

A 1 normal (1 N) solution contains 1 equivalent weight of solute per liter of solution Normality is widely used in analytical chemistry because it simplifies many of the calculations involving solution concentration Every substance may be assigned an equivalent weight The equivalent weight may be equal to the formula weight (molecular weight

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What is Pitting Resistance Equivalent Number (PREN

The pitting resistance equivalent number (PREN) is a theoretical way of comparing the pitting corrosion resistance of various types of stainless steels based on the chemical compositions of an alloy To improve the pitting corrosion resistance of stainless steel such alloying elements like molybdenum (Mo) and/or nitrogen (N) are added To help in the selection of an appropriate

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Metal Equivalent Calculation

Metal Equivalent Calculation – How to Calculate the Mineral Equivalents in Polymetallic Deposits When reading a company's press release in which they announce their mineral resources and or reserves of a polymetallic deposit you will often see them reporting in the metal equivalents of the primary metal

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Determination of dextrose equivalent value and number

Determination of dextrose equivalent value and number average molecular weight of maltodextrin by osmometry Rong Y(1) Sillick M Gregson CM Author information: (1)Firmenich Inc Princeton NJ 08543 USA Dextrose equivalent (DE) value is the most common parameter used to characterize the molecular weight of maltodextrins Its theoretical

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Functional group equivalent weight

How to calculate functional group equivalent weight Unless the FGEW can be determined empirically by recognised scientific methodology (typically titration) a worst-case estimate must be made for the FGEW All moderate and high concern functional groups must be taken into account when calculating FGEW

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Normality

Definition: As per the standard definition normality is described as the number of gram or mole equivalents of solute present in one litre of a solution When we say equivalent it is the number of moles of reactive units in a compound Normality Formula Normality = Number of gram equivalents [volume of solution in litres]-1

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Calculate the equivalent weight of the tin

15/09/2010Homework Statement 10 00 g of tin (Sn) is heated in air 12 69 g of the oxide is produced Calculate the equivalent weight of the tin Homework Equations Sn = 118 71 The Attempt at a Solution Would you divide the mass of tin by 2 to get the equivalent weight

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DEVELOPMENT OF A BRAKING MODEL

The equivalent time depends on the goods/passenger brake position and on the length of the train The deceleration depends on the type of brake equipment (disc brake block brake etc ) and on the brake force For this parameter it is necessary to determine a relation with the braked weight percentage 1 3 Braking equivalent time

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PMA :: Section 5

In order to determine the amount of MDI that is required to react with any given polyol blend the desired index (commonly 1 0) must be known as well as the MDI equivalent weight (MDI eq wt ) the weight fractions (pbw) and th equivalanet weights of the polyols and any water present Total weight of MDI required =

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