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Molecular Weight Formula

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Molecular Weight is the mass of a given molecule. Check FAQs

MW = W eq \cdot nf

MW - Molecular Weight?W _eq - Equivalent Weight?nf - N Factor?

Molecular Weight Example

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With units

Only example

Here is how the Molecular Weight equation looks like with Values.

Here is how the Molecular Weight equation looks like with Units.

Here is how the Molecular Weight equation looks like.

54 = 6 \cdot 9

54g = 6g \cdot 9

54 = 6 \cdot 9

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Molecular Weight Solution

Follow our step by step solution on how to calculate Molecular Weight?

FIRST Step Consider the formula

MW = W eq \cdot nf

Next Step Substitute values of Variables

∴

MW = 6g \cdot 9

Next Step Convert Units

∴

MW = 0.006kg \cdot 9

Next Step Prepare to Evaluate

∴

MW = 0.006 \cdot 9

Next Step Evaluate

∴

MW = 0.054kg

LAST Step Convert to Output's Unit

∴

MW = 54g

Molecular Weight Formula Elements

Variables

Molecular Weight

Molecular Weight is the mass of a given molecule.

Symbol: MW

Measurement: WeightUnit: g

Note: Value can be positive or negative.

Formulas to find Molecular Weight

Equivalent Weight

Equivalent Weight (also known as gram equivalent) is the mass of one equivalent, that is the mass of a given substance.

Symbol: W _eq

Measurement: WeightUnit: g

Note: Value can be positive or negative.

Formulas to find Equivalent Weight

N Factor

N Factor of substance in a redox reaction is equal to the number of moles of electron lost or gained per mole.

Symbol: nf

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find N Factor

Other formulas in Equivalent Weight category

Go Equivalent Weight for Acids

W eq = \frac{M acid}{pH}

Go Equivalent weight for base

W eq = \frac{M base}{Basicity}

Go Equivalent Weight of Oxidising Agent

W eq = \frac{M}{n electrons gained}

Go Equivalent Weight of Reducing Agent

W eq = \frac{M}{n electrons lost}

How to Evaluate Molecular Weight?

Molecular Weight evaluator uses Molecular Weight = Equivalent Weight*N Factor to evaluate the Molecular Weight, Molecular Weight is the mass of a given molecule. Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element. Molecular Weight is denoted by MW symbol.

How to evaluate Molecular Weight using this online evaluator? To use this online evaluator for Molecular Weight, enter Equivalent Weight (W _eq) & N Factor (nf) and hit the calculate button.

FAQs on Molecular Weight

What is the formula to find Molecular Weight?

The formula of Molecular Weight is expressed as Molecular Weight = Equivalent Weight*N Factor. Here is an example- 54000 = 0.006*9.

How to calculate Molecular Weight?

With Equivalent Weight (W _eq) & N Factor (nf) we can find Molecular Weight using the formula - Molecular Weight = Equivalent Weight*N Factor.

Can the Molecular Weight be negative?

Yes, the Molecular Weight, measured in Weight can be negative.

Which unit is used to measure Molecular Weight?

Molecular Weight is usually measured using the Gram[g] for Weight. Kilogram[g], Milligram[g], Ton (Metric)[g] are the few other units in which Molecular Weight can be measured.

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Molecular Weight Formula

Molecular Weight Example

Molecular Weight Solution

Molecular Weight Formula Elements

Other formulas in Equivalent Weight category

How to Evaluate Molecular Weight?

FAQs on Molecular Weight

Variable Name