Total Unreacted Reactant Formula

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Total Moles of Unreacted Reactant is the total number of moles of reactant remained unreacted. Check FAQs
Rf=R0-(Pφ)
Rf - Total Moles of Unreacted Reactant?R0 - Initial Total Moles of Reactant?P - Total Moles of Product Formed?φ - Instantaneous Fractional Yield?

Total Unreacted Reactant Example

With values
With units
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Here is how the Total Unreacted Reactant equation looks like with Values.

Here is how the Total Unreacted Reactant equation looks like with Units.

Here is how the Total Unreacted Reactant equation looks like.

5.275Edit=15Edit-(5.835Edit0.6Edit)
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Total Unreacted Reactant Solution

Follow our step by step solution on how to calculate Total Unreacted Reactant?

FIRST Step Consider the formula
Rf=R0-(Pφ)
Next Step Substitute values of Variables
Rf=15mol-(5.835mol0.6)
Next Step Prepare to Evaluate
Rf=15-(5.8350.6)
LAST Step Evaluate
Rf=5.275mol

Total Unreacted Reactant Formula Elements

Variables
Total Moles of Unreacted Reactant
Total Moles of Unreacted Reactant is the total number of moles of reactant remained unreacted.
Symbol: Rf
Measurement: Amount of SubstanceUnit: mol
Note: Value can be positive or negative.
Initial Total Moles of Reactant
Initial Total Moles of Reactant is the total number of moles of reactant present in the considered system before the reaction.
Symbol: R0
Measurement: Amount of SubstanceUnit: mol
Note: Value can be positive or negative.
Total Moles of Product Formed
Total Moles of Product Formed is the amount of moles of product generated from a considered reacting system or process.
Symbol: P
Measurement: Amount of SubstanceUnit: mol
Note: Value can be positive or negative.
Instantaneous Fractional Yield
Instantaneous fractional yield of a product is a measure of how selective a particular reactant is in forming a particular product at a certain instant.
Symbol: φ
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other formulas in Design for Parallel Reactions category

​Go Instantaneous Fractional Yield
φ=dPdR
​Go Number of Moles of Product Formed
dP=dRφ
​Go Number of Moles of Reactant Reacted
dR=dPφ
​Go Overall Fractional Yield
Φ=PR0-Rf

How to Evaluate Total Unreacted Reactant?

Total Unreacted Reactant evaluator uses Total Moles of Unreacted Reactant = Initial Total Moles of Reactant-(Total Moles of Product Formed/Instantaneous Fractional Yield) to evaluate the Total Moles of Unreacted Reactant, The Total Unreacted Reactant formula is defined as the amount of reactant remained or which is not converted into product in a reacting system. Total Moles of Unreacted Reactant is denoted by Rf symbol.

How to evaluate Total Unreacted Reactant using this online evaluator? To use this online evaluator for Total Unreacted Reactant, enter Initial Total Moles of Reactant (R0), Total Moles of Product Formed (P) & Instantaneous Fractional Yield (φ) and hit the calculate button.

FAQs on Total Unreacted Reactant

What is the formula to find Total Unreacted Reactant?
The formula of Total Unreacted Reactant is expressed as Total Moles of Unreacted Reactant = Initial Total Moles of Reactant-(Total Moles of Product Formed/Instantaneous Fractional Yield). Here is an example- 5.275 = 15-(5.835/0.6).
How to calculate Total Unreacted Reactant?
With Initial Total Moles of Reactant (R0), Total Moles of Product Formed (P) & Instantaneous Fractional Yield (φ) we can find Total Unreacted Reactant using the formula - Total Moles of Unreacted Reactant = Initial Total Moles of Reactant-(Total Moles of Product Formed/Instantaneous Fractional Yield).
Can the Total Unreacted Reactant be negative?
Yes, the Total Unreacted Reactant, measured in Amount of Substance can be negative.
Which unit is used to measure Total Unreacted Reactant?
Total Unreacted Reactant is usually measured using the Mole[mol] for Amount of Substance. Millimole[mol], Kilomole[mol], Pound Mole[mol] are the few other units in which Total Unreacted Reactant can be measured.
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