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Polydispersity Index for Step-Reaction Polymers Formula

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Polydispersity Index is a measure of the distribution of molecular mass in a given polymer sample. Check FAQs

PDI = \frac{M w}{M n}

PDI - Polydispersity Index?M_w - Weight-Average Molecular Weight?M_n - Number-Average Molecular Weight?

Polydispersity Index for Step-Reaction Polymers Example

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Here is how the Polydispersity Index for Step-Reaction Polymers equation looks like with Values.

Here is how the Polydispersity Index for Step-Reaction Polymers equation looks like with Units.

Here is how the Polydispersity Index for Step-Reaction Polymers equation looks like.

1.2298 = \frac{28.74}{23.37}

1.2298 = \frac{28.74g/mol}{23.37g/mol}

1.2298 = \frac{28.74}{23.37}

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Polydispersity Index for Step-Reaction Polymers Solution

Follow our step by step solution on how to calculate Polydispersity Index for Step-Reaction Polymers?

FIRST Step Consider the formula

PDI = \frac{M w}{M n}

Next Step Substitute values of Variables

∴

PDI = \frac{28.74g/mol}{23.37g/mol}

Next Step Convert Units

∴

PDI = \frac{0.0287kg/mol}{0.0234kg/mol}

Next Step Prepare to Evaluate

∴

PDI = \frac{0.0287}{0.0234}

Next Step Evaluate

∴

PDI = 1.22978177150193

LAST Step Rounding Answer

∴

PDI = 1.2298

Polydispersity Index for Step-Reaction Polymers Formula Elements

Variables

Polydispersity Index

Polydispersity Index is a measure of the distribution of molecular mass in a given polymer sample.

Symbol: PDI

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Polydispersity Index

Weight-Average Molecular Weight

The Weight-Average Molecular Weight measuring system includes the mass of individual chains, which contributes to the overall molecular weight of the polymer.

Symbol: M_w

Measurement: Molar MassUnit: g/mol

Note: Value can be positive or negative.

Formulas to find Weight-Average Molecular Weight

Number-Average Molecular Weight

The Number-Average Molecular Weight is a measuring system that requires counting the total number of molecules in a unit mass of polymer irrespective of their shape or size.

Symbol: M_n

Measurement: Molar MassUnit: g/mol

Note: Value can be positive or negative.

Formulas to find Number-Average Molecular Weight

Credits

Created by Pratibha

Amity Institute Of Applied Sciences (AIAS, Amity University), Noida, India

Pratibha has created this Formula and 100+ more formulas!

Verified by Soupayan banerjee

National University of Judicial Science (NUJS), Kolkata

Soupayan banerjee has verified this Formula and 900+ more formulas!

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Go Contour Length of Macromolecule

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Go Number-Average Molecular Weight

M n = \frac{m repeating}{1 - p}

Go Rate of Polycondensation

R p = k \cdot {(A)}^{2} \cdot D

How to Evaluate Polydispersity Index for Step-Reaction Polymers?

Polydispersity Index for Step-Reaction Polymers evaluator uses Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight to evaluate the Polydispersity Index, The Polydispersity Index for Step-Reaction Polymers formula is defined as the ratio of weight to number-average molecular masses. PDI is used to indicate the distribution of polymer chain molecular weights in a given polymer. Polydispersity Index is denoted by PDI symbol.

How to evaluate Polydispersity Index for Step-Reaction Polymers using this online evaluator? To use this online evaluator for Polydispersity Index for Step-Reaction Polymers, enter Weight-Average Molecular Weight (M_w) & Number-Average Molecular Weight (M_n) and hit the calculate button.

FAQs on Polydispersity Index for Step-Reaction Polymers

What is the formula to find Polydispersity Index for Step-Reaction Polymers?

The formula of Polydispersity Index for Step-Reaction Polymers is expressed as Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight. Here is an example- 1.229782 = 0.02874/0.02337.

How to calculate Polydispersity Index for Step-Reaction Polymers?

With Weight-Average Molecular Weight (M_w) & Number-Average Molecular Weight (M_n) we can find Polydispersity Index for Step-Reaction Polymers using the formula - Polydispersity Index = Weight-Average Molecular Weight/Number-Average Molecular Weight.

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Polydispersity Index for Step-Reaction Polymers Formula

Polydispersity Index for Step-Reaction Polymers Example

Polydispersity Index for Step-Reaction Polymers Solution

Polydispersity Index for Step-Reaction Polymers Formula Elements

Credits

Other formulas in Polymers category

How to Evaluate Polydispersity Index for Step-Reaction Polymers?

FAQs on Polydispersity Index for Step-Reaction Polymers

Variable Name