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What does molarity M measure in a solution?


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Answered 2013-09-21 06:43:37

Molarity gives the no. of moles of solute per litre of the solution

For instance, 1 M HCl means 1 mole of pure HCl in 1 L of water

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In the equation for molarity which is M=n/V where M is the molarity, the n is # of moles of solute and V is the measure of solution in Liters(L). Therefore for this question the answer is 2M


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


Molarity is an expression of concentration observed by dividing the moles of solute by the liter of total solution. The molarity of a solution is express in units of moles of solute / L of solution. This is often shown as a capital M, as in a 0.10 M solution.


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


Sugar does not have measurable molarity. Molarity is used to determine the concentration of a solute in a solution. For example, you could measure the molarity of sugar in a sugar-water 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 Molarity is equal to the number of moles divided by the liters. M=mol/L M=0.120 mol/5.0 L M=0.024 so the molarity is 0.024 M



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 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 = moles of solute/liters of solution Molarity = 5 moles sucrose/0.5 Liters = 10 M sucrose solution =================


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


Molarity = moles of solute/Liters of solution Molarity = 6 moles AgClO4/2 Liters = 3 M AgClO4 =========


Molarity = moles of solute/Liters of solution Molarity = 0.202 moles KCl/7.98 Liters = 0.253 M KCl solution ================



Molarity = moles of solute/liters of solution Molarity = 0.597 moles HCl/0.169 liters = 3.53 M HCl ------------------


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


The molar mass of KMnO4 is 158,3415 g.The molarity of this solution is 0,1 M.


molarity = moles/litre [solution] = 6 mol/2 L [solution] = 3 M


Molarity (M) is defined as moles of solute/liters of solution. Assuming the final volume is 500 ml (0.5 liters), then M = 1.2 moles/0.5 liters = 2.4 M


If 1.8 L of water is added to 2.5 L of a 7.0 M KOH solution, what is the molarity of the new solution?


Molarity = moles of solute/Liters of solution Molarity = 0.250 moles NaCl/2.25 Liters = 0.111 M NaCl --------------------


Molarity = moles of solute/Liters of solution Molarity = 10 moles salt/20 Liters solution = 0.50 M salt solution ----------------------------


Molarity=no. of moles of solute/vol of solution in(L) molarity=0.4/9.79=0.04086 mol L-1=0.04086 M.



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