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Molecular Mass

How do you calculate the number of moles of solute and the molarity?


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Answered 2016-05-02 16:39:36

The molarity is a form of expression for the concentration; the molarity of a solution is the number of moles of solute in the solvent. The number of moles is the ratio between the mass of the solute in the solution and and its molar mass.

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Molarity= (number of moles of solute)/(volume of solution in dm3)


Molarity = moles of solute / L of solution


Molarity is number of moles in solute. So molarity of this is 0.5mol-1.


You need to know the moles of solute and the VOLUME of SOLUTION.


MOLARITY = number of moles/ volume in liters so if you have the volume along with the molarity you can calculate


Molarity or molar concentration is a unit of concentration, symbolized by "M". It is the ratio of the number of moles of solute and the volume of solution (in liters).Molarity = Moles of solute ÷ Liters of solution = moles/liter = Mmolarity is define as the number of mole of a solute in 1 liter of solution.


Molarity (M) indicates the number of moles of solute per liter of solution (moles/Liter) and is one of the most common units used to measure the concentration of a solution. Molarity can be used to calculate the volume of solvent or the amount of solute.


The number of moles of solute dissolved in 1 L of a solution would be the molarity. As an example, if you had 2 moles of solute in 1 liter the molarity would be 2M.


Molarity = moles of solute/liters of solution Molarity = 7 moles solute/2 Liters solution = 3.5 M ======


The difference is in the denominators.Molarity (M) - the number of moles of solute divided by the number of liters of solution.Molality(m) - the number of moles of solute divided by the number of kilograms of solvent.


molarity = number of moles of solute / volume of solution number of moles of solute = molarity x volume of solution number of moles of solute = 12 (mole/L) x 15/1000 (L) number of moles of solute = 0.18 mole


Molarity equals for number of moles in a solute volume. so there are 0.1 moles in 250ml.


Concentration of a solution is recorded in molarity (M). Molarity is the moles of solute divided my liters of solution. So to find the concentration of a solution, calculate the number of moles of the solute (the chemical being dissolved) and measure the number of liters of the solution (the water), then divide them.



Molarity means number of moles in a solute volume. So molarity is 2moldm-3.


Neither. Molarity is moles per litre. Molality is moles in a kilogram.


Molarity = moles of solute/Liters of solution Molarity = 5 moles solute/4.5 Liters of solution = 1 M solution ==========


Molarity = moles of solute/volume of solution.


Molarity = moles of solute/Liters of solution so, 959 milliliters = 0.959 Liters Molarity = 7.0 moles of solute/0.959 Liters = 7.3 M solute ===========


Molarity= No. of moles of solute/Volume of solution(in litre) or No. of moles of solute*1000/Volume of solution(in ml)


Molarity = moles of solute/volume of solution M = 0.25 moles/0.50L = 0.5M



M (molarity) = moles of solute/ liters of solution


# of moles of solute Molarity = -------------------------- 1 Liter of solution


Molarity = moles solute/ Liters solution



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