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Initial Total moles Calculator

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✖Total Moles at Equilibrium is the complete moles which are present at the equilibrium stage of the chemical reaction.ⓘ Total Moles at Equilibrium [M]
+10%
-10%
✖Equilibrium Vapour Density is the density of a vapour substance during the stages of reaction at equilibrium.ⓘ Equilibrium Vapour Density [d]
+10%
-10%
✖Initial Vapour Density is the density of a vapour substance during the initial stages of reaction.ⓘ Initial Vapour Density [D]
+10%
-10%
✖Initial Number of Moles is the amount of gas present in moles at the primary stage of reaction at equilibrium.ⓘ Initial Total moles [ninitial]
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Formula
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Initial Total moles

Formula
`"n"_{"initial"} = ("M"*"d")/"D"`

Example
`"9mol"=("15"*"150")/"250"`

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Initial Total moles Solution

STEP 0: Pre-Calculation Summary
Formula Used
Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density
ninitial = (M*d)/D
This formula uses 4 Variables
Variables Used
Initial Number of Moles - (Measured in Mole) - Initial Number of Moles is the amount of gas present in moles at the primary stage of reaction at equilibrium.
Total Moles at Equilibrium - Total Moles at Equilibrium is the complete moles which are present at the equilibrium stage of the chemical reaction.
Equilibrium Vapour Density - Equilibrium Vapour Density is the density of a vapour substance during the stages of reaction at equilibrium.
Initial Vapour Density - Initial Vapour Density is the density of a vapour substance during the initial stages of reaction.
STEP 1: Convert Input(s) to Base Unit
Total Moles at Equilibrium: 15 --> No Conversion Required
Equilibrium Vapour Density: 150 --> No Conversion Required
Initial Vapour Density: 250 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ninitial = (M*d)/D --> (15*150)/250
Evaluating ... ...
ninitial = 9
STEP 3: Convert Result to Output's Unit
9 Mole --> No Conversion Required
FINAL ANSWER
9 Mole <-- Initial Number of Moles
(Calculation completed in 00.020 seconds)
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Home » Chemistry » Equilibrium » Chemical equilibrium » Relation between Vapour Density and Degree of Dissociation » Initial Total moles

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Created by Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
Akshada Kulkarni has created this Calculator and 500+ more calculators!
Verified by Prashant Singh
K J Somaiya College of science (K J Somaiya), Mumbai
Prashant Singh has verified this Calculator and 500+ more calculators!

24 Relation between Vapour Density and Degree of Dissociation Calculators

Initial Vapour Density using Concentration of Reaction
Go Initial Vapour Density = (Equilibrium Vapour Density*Initial Concentration*(1+Degree of Dissociation))/Initial Concentration
Total moles at equilibrium given number of moles of reaction
Go Total Moles at Equilibrium = Equilibrium Vapour Density*Volume of Solution*(1+Degree of Dissociation*(Number of Moles-1))
Volume of Equilibrium Mixture of Substances A and B
Go Volume at Equilibrium = (1+Degree of Dissociation*(Number of Moles Products at Equilibrium-1))*Volume of Solution
Total Moles at Equilibrium
Go Total Moles at Equilibrium = (Initial Vapour Density*Initial Number of Moles)/Equilibrium Vapour Density
Initial Vapour Density
Go Initial Vapour Density = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Number of Moles
Initial Total moles
Go Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density
Initial Total Moles using Total Moles at Equilibrium and Number of Moles of Reaction
Go Initial Number of Moles = Total Moles at Equilibrium*(1+Degree of Dissociation*(Number of Moles-1))
Total Moles at Equilibrium using Number of Moles and Initial Total Moles
Go Total Moles at Equilibrium = Initial Number of Moles/(1+Degree of Dissociation*(Number of Moles-1))
Initial Vapour Density using Vapour Density at Equilibrium and Number of Moles
Go Initial Vapour Density = Equilibrium Vapour Density*(1+Degree of Dissociation*(Number of Moles-1))
Initial Vapour Density when Number of Moles of Products at Equilibrium is Half
Go Initial Vapour Density = Equilibrium Vapour Density*(2-Degree of Dissociation)/2
Number of moles of products using degree of dissociation
Go Number of Moles = ((Number of Moles at Equilibrium-1)/Degree of Dissociation)+1
Total Moles at Equilibrium using Degree of Dissociation
Go Total Moles at Equilibrium = Initial Number of Moles*(1+Degree of Dissociation)
Initial Total Moles using Degree of Dissociation
Go Initial Number of Moles = Total Moles at Equilibrium/(1+Degree of Dissociation)
Initial Vapour Density given Degree of Dissociation
Go Initial Vapour Density = Equilibrium Vapour Density*(1+Degree of Dissociation)
Initial Vapour Density when Number of Moles is 2
Go Initial Vapour Density = Equilibrium Vapour Density*(Degree of Dissociation+1)
Number of Moles of Substance A and B at Equilibrium
Go Number of Moles at Equilibrium = 1+Degree of Dissociation*(Number of Moles-1)
Initial Vapour Density given Van't Hoff Factor
Go Initial Vapour Density = Van't Hoff Factor*Equilibrium Vapour Density
Van't Hoff Factor using Vapour Densities
Go Van't Hoff Factor = Initial Vapour Density/Equilibrium Vapour Density
Molecular Weight of Substance given Initial Vapour Density
Go Molecular Weight = Initial Vapour Density*Volume of Solution
Volume of Solution given Initial Vapour Density
Go Volume of Solution = Molecular Weight/Initial Vapour Density
Initial Vapour Density given Molecular Weight
Go Initial Vapour Density = Molecular Weight/Volume of Solution
Molecular Weight abnormal given Vapour Density at Equilibrium
Go Molecular Weight Abnormal = Equilibrium Vapour Density*2
Theoretical Molecular Weight given Initial Vapour Density
Go Molecular Weight Theoretical = Initial Vapour Density*2
Initial Vapour Density given Theoretical Molecular Weight
Go Initial Vapour Density = Molecular Weight Theoretical/2

Initial Total moles Formula

Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density
ninitial = (M*d)/D

What is Vapour density?

Vapour density is the weight of a volume of pure vapor or gas compared to an equal volume of dry air at the same temperature and pressure. It is obtained by dividing the molecular weight of the vapor by the average molecular weight of air thus, it is unitless. It is also defined as the fraction of moles dissociated out of 1 mole.

How to Calculate Initial Total moles?

Initial Total moles calculator uses Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density to calculate the Initial Number of Moles, The Initial total moles formula is defined as the complete number of moles present at the initial stage during a chemical reaction. Initial Number of Moles is denoted by ninitial symbol.

How to calculate Initial Total moles using this online calculator? To use this online calculator for Initial Total moles, enter Total Moles at Equilibrium (M), Equilibrium Vapour Density (d) & Initial Vapour Density (D) and hit the calculate button. Here is how the Initial Total moles calculation can be explained with given input values -> 9 = (15*150)/250.

FAQ

What is Initial Total moles?
The Initial total moles formula is defined as the complete number of moles present at the initial stage during a chemical reaction and is represented as ninitial = (M*d)/D or Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density. Total Moles at Equilibrium is the complete moles which are present at the equilibrium stage of the chemical reaction, Equilibrium Vapour Density is the density of a vapour substance during the stages of reaction at equilibrium & Initial Vapour Density is the density of a vapour substance during the initial stages of reaction.
How to calculate Initial Total moles?
The Initial total moles formula is defined as the complete number of moles present at the initial stage during a chemical reaction is calculated using Initial Number of Moles = (Total Moles at Equilibrium*Equilibrium Vapour Density)/Initial Vapour Density. To calculate Initial Total moles, you need Total Moles at Equilibrium (M), Equilibrium Vapour Density (d) & Initial Vapour Density (D). With our tool, you need to enter the respective value for Total Moles at Equilibrium, Equilibrium Vapour Density & Initial Vapour Density and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Initial Number of Moles?
In this formula, Initial Number of Moles uses Total Moles at Equilibrium, Equilibrium Vapour Density & Initial Vapour Density. We can use 2 other way(s) to calculate the same, which is/are as follows -
  • Initial Number of Moles = Total Moles at Equilibrium/(1+Degree of Dissociation)
  • Initial Number of Moles = Total Moles at Equilibrium*(1+Degree of Dissociation*(Number of Moles-1))
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