Chemistry Calculators ▶ Mole Ratio Calculator
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This online mole ratio calculator will let you calculate the ratio of moles between the different reacted chemicals and different chemical products. You can also determine the molar mass or the number of moles (molecules) of each chemical required to carry out complete the reaction process by using our molar ratio calculator.
Let’s move on! To understand the concept of mole ratio with particular formulas, steps to calculate the mole ratio with solved examples.
In chemistry, molar or mole ratio can be defined as:
“The comparison between the number of moles of the reactants utilized and the number of moles of products produced in a balanced chemical reaction”
Since mole ratio can be expressed as a reactant and product in a chemical reaction. Therefore, it is also known as the mole-to-mole ratio. Users can also perform calculations regarding mass ratio parameters easily by using an online mass ratio calculator.
Mole ratio formula:
Mole ratio = ( [Combustion amount of 2nd element] / [Molar mass of second element] ) / ( [Combustion amount of 1st element] / [Molar mass of first element] )
Moreover, you can determine moles, moles of solute, and moles of solvent to the chemical solution by using an online mole fraction calculator.
Mole Ratio Example:
When 30 moles of hydrogen react with 10 moles of nitrogen during ammonia production. The reaction gives 20 moles of ammonia giving the molar ratio between different participants. These include as:
10 mol N2 / 30 mol H2 = 1/3
20 mol NH3 / 30 mol H2 = 2/3
20 mol NH3 /10 mol N = 2/1
Mole Ratio Units:
In SI units, mole ratio units are expressed as a mole itself. Since it has no dimension number as the units cancel out each other.
If you want to calculate how much of each element is present in molar mass, you can now use an online molar mass calculator to perform calculations swiftly.
Now you can easily find out the mole ratio between two elements in a chemical reaction while using our online mole ratio calculator with the following requirements including:
Firstly, you need to equal or balance the given chemical reaction
After that, attain the coefficient of the corresponding elements in the balanced equation
Now you are enabled to calculate the ratio between these coefficients
In other words, the formula to calculate the molar ratio between two elements is given as:
A: B = Coefficient of A / Coefficient of B
The coefficient in a balanced chemical reaction will be helpful to estimate the molar ratio since the coefficient represents the number of molecules of that element that is needed for the reaction to occur without leaving any excess of the reactants.
Consider the following balanced chemical equation of hydrogen and oxygen is given as: :
2H 2 + O2 → 2H2O
From the above, the coefficients in this balanced chemical reaction conclude the following information that includes:
The above result represents whether we have twenty molecules of hydrogen, then we will need ten molecules of oxygen to react with it to form twenty molecules of water.
In a balanced chemical reaction, the ratio between the number of molecules has different reactants and products. One mole of a substance is represented by 6.02214076 * 10^23 which is equal to a number of atoms or molecules. Our online mole ratio calculator allows you to clarify your concepts regarding mole of substance problems.
Also, you can use the grams to moles calculator to make calculations regarding the parameters of the number of moles instantly with accurate results.
Now we will resolve some examples using a molar ratio calculator chemistry to clarify your concept and calculations. Let’s move on!
Consider a chemical equation , N2 + 3H2 = 2NH3. How to find mole ratio of N2 and H2 if it has the combustion of 2.9 g of N and 3.5 g of H2?
Molar Mass of the Nitrogen (N) =14
Molar mass of N2 = 14 x 2 = 28
Molar Mass of H =1.008
Molar mass of H2 = 1.008 x 2 =2.0
Substituting the given values in the mole ratio formula,
= [ ( 3.5 / 2.0) / ( 2.9 / 28 ) ]
= [ 1.75 / 0.103 ]
Therefore, the molar ratio is 1: 16.99
How to find molar ratio of Fe molecules if it will react with 0.27 moles of O2 molecules in the given equation?
4Fe + 3O2 → 2Fe2O3
Chemical reaction is given as: 4Fe + 3O2 → 2Fe2O3
Generally, 4 moles of Fe react with 3 moles of O2 which produces 2 moles of Fe2O3
Therefore, Molar ratio of Fe and O2 = Fe : O2 = 4:3
This online mole ratios calculator is swiftly to use for everyone just stick to the following steps to make calculations regarding mole ratio and vice versa. Let’s move on!
Select the parameter you like to calculate as including:
This online molar ratio calculator determines the following results that includes:
The ratio between the moles of reactants and products in which a balanced chemical reaction is involved is known as the molar ratio. You can now perform calculations of molar substances with the help of an online mole ratios calculator instantly.
Since the mole ratio between oxygen (O2) and hydrogen (H2) becomes 1: 2 when both react with each other to form the 2 moles of water (H2O).
Generally, the molar ratio of methane to oxygen is one to two. It means that every one mole of methane is needed to react with two moles of oxygen. You can also conclude this value by using the mole ratio calculator swiftly.
Since carbon monoxide has a coefficient of 2 and carbon dioxide has a coefficient of 2 as well. Hence, the two coefficients are equal, we can say that the two compounds have a 1:1 mole ratio.
Generally, the moles are the coefficients of the molecules in the balanced chemical equation. In this equation, we know that the coefficient of hydrogen is ‘3’ and the coefficient of ammonia is ‘2’. therefore, the ratio of hydrogen to ammonia is 3:2.
Zn + H2SO4 → ZnSO4 + H2
According to the above chemical equation, zinc reacts with sulfuric acid to form zinc sulfite. Hence, the mole ratio between Zn and H2SO4 is = 1:1. You can also check this value from our online mass ratio calculator.
Generally, the mole ratio is the proportion of the number of moles of two chemical reactions as well as equations in a compound. Consequently, the study to mole ratio is important to determine the reaction yield, stoichiometry, and the number of moles. Our online mole to mole ratio calculator can use in case you fret about how to calculate a molar ratio.
Besides, you can also calculate the values of grams to moles parameters with the assistance of a stoichiometry calculator.
From the source study.com: Mole-to-Mole Ratios and Calculations of a Chemical Equation, Stoichiometry, Mole Ratios, Mole-to-Mole Calculations
From the source thoughco.com: Mole Ratio Definition, Mole Ratio Units, Mole Ratio, Example: Balanced Equation, Unbalanced Equation Example.