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add up the individual mass multipliying by index in all components
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How do you determine empirical formula with compound elements?
molar mass over grams of elementThe above answer is somewhat correct. In order to find the molecular formula when given the empirical formula, you must first find the molar mass of the empirical formula.MOLAR MASS# atoms element A x Atomic Mass element A (Periodic Table) = mass A# atoms element B x atomic mass element B (periodic table) = mass B... etc.Add up all of the mass values found above and you have the molar mass.Then, after you have found the empirical formula's molar mass, you divide the molar mass of the molecular formula by the empirical formula's molar mass (solving for n).MOLECULAR FORMULA EQUATION: N (Empirical formula) (read as N times empirical formula) where:N = Molar mass substance---- Molar Mass emp. form.
What is meant by skeletal chemical equation?
An unbalanced equation having diffrent mass on both side of equation is called skeletol equation.
Is the following nuclear reaction balanced?
A nuclear equation is balanced when the sum of atomic numbers and mass numbers on each side of the equation is the same.
Explain why the percent composition of certain compounds are not sufficient to determine the compounds molecular formulas?
Because unlike the empirical formula, the molecular formula does not have to be the simplest ratio.If by chance you are given the percent composition of the elements in a substance, you could calculate the empirical formula and then the empirical formula's mass. However, the molecular formula equation is molecular formula= (empirical formula)n, where n is the mass of the molecular formula divided by the mass of the empirical formula. You would, therefore, need to know the mass belonging to the molecular formula, which you are not given.
How do you find volume with only density and mass?
Look up the density of the substance and divide the mass by the density to find volume.============================In order to use the method in the first answer, you must know the substance.But the question says clearly that only the massis given. In that case, it'snot possible to find the volume.
What is the equation to find Newtons?
Also if you mean Newtons in terms of weight the formula is Newtons = Mass * Gravity
How does on determine a molecular formula from the empirical formula?
molar mass over grams of elementThe above answer is somewhat correct. In order to find the molecular formula when given the empirical formula, you must first find the molar mass of the empirical formula.MOLAR MASS# atoms element A x Atomic Mass element A (Periodic Table) = mass A# atoms element B x atomic mass element B (periodic table) = mass B... etc.Add up all of the mass values found above and you have the molar mass.Then, after you have found the empirical formula's molar mass, you divide the molar mass of the molecular formula by the empirical formula's molar mass (solving for n).MOLECULAR FORMULA EQUATION: N (Empirical formula) (read as N times empirical formula) where:N = Molar mass substance---- Molar Mass emp. form.
To determine the subscript of an element in a molecular formula the empirical mass must be multiplied by the actual mass?
The actual mass must be divided by the empirical mass. This was derived from the following equation: (subscript)(empirical formula) = (molecular formula) subscript = (molecular formula)/(empirical formula)
How does one determine a molecular formula from empirical formula?
molar mass over grams of elementThe above answer is somewhat correct. In order to find the molecular formula when given the empirical formula, you must first find the molar mass of the empirical formula.MOLAR MASS# atoms element A x Atomic Mass element A (Periodic Table) = mass A# atoms element B x atomic mass element B (periodic table) = mass B... etc.Add up all of the mass values found above and you have the molar mass.Then, after you have found the empirical formula's molar mass, you divide the molar mass of the molecular formula by the empirical formula's molar mass (solving for n).MOLECULAR FORMULA EQUATION: N (Empirical formula) (read as N times empirical formula) where:N = Molar mass substance---- Molar Mass emp. form.
What must be true of an equation before you can use the quadratic formula to find the solutions?
the formula you are going to use to answer the equation
How do you determine empirical formula with compound elements?
molar mass over grams of elementThe above answer is somewhat correct. In order to find the molecular formula when given the empirical formula, you must first find the molar mass of the empirical formula.MOLAR MASS# atoms element A x Atomic Mass element A (Periodic Table) = mass A# atoms element B x atomic mass element B (periodic table) = mass B... etc.Add up all of the mass values found above and you have the molar mass.Then, after you have found the empirical formula's molar mass, you divide the molar mass of the molecular formula by the empirical formula's molar mass (solving for n).MOLECULAR FORMULA EQUATION: N (Empirical formula) (read as N times empirical formula) where:N = Molar mass substance---- Molar Mass emp. form.
What was Einstein's famous equation called?
e=mc squared the energy mass equivalence formula.
In Albert Einstein's famous formula E mc2 what does the m stand for?
m is mass in the equation.
Formula to find mass of water?
Mass = density x volume
What is the mathematical equation for force?
The equation to find mass is DxV (density times volume.) NM
What is meant by skeletal chemical equation?
An unbalanced equation having diffrent mass on both side of equation is called skeletol equation.
How can you convert the formula for density to find the volume of an unknown object?
The formula for finding density is: Density= Mass/Volume or d= m/v. if you multiply both sides of the equation by the Volume: vd= v m/ v , volume cancels on the right and you get the equation: Density x Volume= Mass or dv=m. by dividing both sides by the Density: d v/ d =m/d, density will cancel on the left and our final equation is Volume=Mass/Density or v=m/d
