Chemistry
Acids and Bases

# What is the molarity of a solution that contains 7 moles of solute in 2L of solvent?

012 ###### 2013-02-02 01:01:34

Molarity = moles of solute/liters of solution

Molarity = 7 moles solute/2 Liters solution

= 3.5 M

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## Related Questions A solution contains a solvent and a solute.The substance which is dissolved is called the solute.The substance into which the solute dissolves is called the solvent.Example: A saltwater solution contains salt as the solute and water as the solvent. A solution contains solvent in large amounts and solute in smaller quantities. Molarity is one mole of solute per 1000 ml of solution. Within a set volume of solvent (usually water), a concentrated solution will have more solute than a diluted silution. In chemistry, this is called molarity. The more moles of solute you have in solution, the higher the concentration, or molarity of that solution. Molarity is defined as moles solute/liter solvent, and is abbreviated "M". 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. A solvent is something in which a solute will dissolve.Thus water is a solvent and salt is a solute.If one has a solution then the solvent contains the solute A solution that contains a large amount of solute compared to solvent is called a concentrated solution. If the solvent is more than the solute it is known as a dilute solution.  The molality of this solution is 1,905; to calculate the molarity you need the density of the solution.  molarity of moles of solute/liters of solution(not solvent) the volume of the solvent(even if it started at 1 L) would change after adding the solute depending on the molar mass, density, etc of the solute, the molarity would be different A solution that has as much solute as can be dissolved in the solvent is a saturated solution. Molarity (M) is moles of solute per liters of solution. In contrast, molality (m) is moles of solute per kilograms of solvent. Concentration relates the amount of solute to the amount of solvent. For instance, in a salt water solution, salt is the solute and water is the solvent. A way to measure the concentration of a chemical would be molarity or M. The molarity stands for the moles of solute in the liters of solvent. Molarity solution is not a term that I have ever heard used. Molarity is always a term used to describe a concentration of solute in a solvent, i.e. of a solution. The closest I've heard to molarity solution is when people ask "what is the solution's molarity". in molarity we dissolved no of moles of solute in 1 dm3 volume of its solution but in molality we dissolved no of moles of solute in 1000 gram or 1 kg of solvent in molarity we don't know the exact amount of solvent quantity but in mplality we know the exact volume of solvent ( water) Molarity = moles of solute/Liters of solution Molarity = 5 moles solute/4.5 Liters of solution = 1 M solution ==========  Molarity is a concentration unit of solutions, pure benzene is not a solution so this term is meaningless for a pure liquid. In other words: Molarity of a solution is a numerical way of saying exactly how much solute is dissolved in a solvent .Molarity is equal to the moles of solute divided by the liters of solution. Molarity of a solution can be calculated by using the following formula: M= moles of solute/liters of solution Molarity is defined as grams of solute dissolved in 1 liter of solution and molality is defined as grams of solute dissolvd in 1Kg of solvent This cannot be answered as written. Molarity is defined as moles of solute per liter of SOLUTION. There is no way to calculate the volume of the entire solution when given the mass of the solvent. You need to measure the volume of the solution (in litres) after it has been made at room temperature and then just divide.molarity = moles / liters of solution No. A solvent is something in which a solute will dissolve. Thus water is a solvent and salt is a solute.If one has a solution then the solvent contains the solute but NOT the other way round (as your question asks). Example : solution of sugar(20%) and water(80%) contains sugar as solute and water as solvent. Also Solute-salt ; Solvent-water ; salt+water = a solution of salt water. molarity = moles of solute/ kilogram of solvent 0.30=13/x 0.30x=13 x=13/0.30 x=4.333333333333333333 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. ###### ChemistryScienceMath and ArithmeticElements and CompoundsChemical Engineering Copyright © 2020 Multiply Media, LLC. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply.