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What quantity represents the ration of the number of moles of solute per kilogram of solvent?
Mol is a cocentration unit !
Formula for molality?
Molality (m) is calculated by dividing the number of moles of solute by the mass of the solvent in kilograms and is expressed in mol/kg. The formula for molality is: [ molality (m) = \frac{moles\ of\ solute}{mass\ of\ solvent\ in\ kg} ]
What is the diffidence between morality and MOLALITY?
Morality(M)= moles of solute divided by grams of solution Molality(m)= moles of solute divided by kilograms of solvent to convert from grams to kilograms you move the decimal 3 units to the left.
What is the molality of a substance made by dissolving 2 moles of NaOH in 10 kg of water?
Molality is moles solute per kilograms of solvent, so 2/10=0.2m.
What are the molality and mole fraction of solute in a 25.5 percent by mass aqueous solution of formic acid (HCOOH)?
The molality is 5,54.
What concentration units is measured in mole of solute per kilogram of solvent?
This the molality (this term is now obsolete).
What concentration units is measured in moles of solute per kilogram of solvent?
This the molality (this term is now obsolete).
Why is molality used in determining the freezing point of a solution?
Molality is used in determining the freezing point of a solution because it accounts for the mass of the solvent, which affects the colligative properties of the solution. The freezing point depression is directly proportional to the molality of the solute particles in the solvent, making molality a more accurate measure for calculating the freezing point depression compared to other concentration units like molarity.
How do you calculate the molality of a solution?
To calculate the molality of a solution, you divide the moles of solute by the mass of the solvent in kilograms. The formula for molality is: Molality (m) moles of solute / mass of solvent (in kg).
What is the molality of a solution that has 70g of NaCl dissolved in 300g of water?
Molality(m)= moles of solute divided by kilograms(kg) of solvent you need to find the moles of NaCl by using a conversion factor 70g NaCl = 1mol divided by 58.44g NaCl =1.20mol then you need to convert 300g of water which is the solvent to kilograms by moving the decimal over 3 units to the left which makes .300 kg of solvent Molality= 1.20mol divided by .300kg Molality=4.00
How can one determine the molar mass from molality?
To determine the molar mass from molality, you can use the formula: Molar mass (molality x molar mass of solvent) / molality of solute. This equation helps you calculate the molar mass of a substance based on its molality in a solution.
What quantity represents the ration of the number of moles of solute per kilogram of solvent?
Mol is a cocentration unit !
What is the formula for calculating the molality (m) of a solution?
The formula for calculating the molality (m) of a solution is: molality (m) moles of solute / kilograms of solvent.
What is the relationship between molality and molar mass in a solution?
The relationship between molality and molar mass in a solution is that molality is directly proportional to molar mass. This means that as the molar mass of a solute increases, the molality of the solution also increases.
What is the molality of 16.1 g of Cl2 dissolved in a 5000 g water?
Molality(m)= moles of solute divided by kilograms of solvent you need to find the moles of solute of chloride first by using a conversion factor. 16.1g of Cl2 = 1mole divided by 70.90g of Cl = 0.23mol then you need to convert 5000g of water which is the solvent to kilograms which to convert it you move the decimal 3 units to the left so it is 5.000kg then you put it into the equation so it would be Molality(m)= 0.23mol divided by 5.000kg of solvent Molality= 0.05
What is the relationship between the molar mass and molality of a solution?
The relationship between the molar mass and molality of a solution is that the molality of a solution is dependent on the molar mass of the solute. Molality is calculated by dividing the number of moles of solute by the mass of the solvent in kilograms. Therefore, the molar mass of the solute directly affects the molality of the solution.
What is the molality of a substance?
Molality is the number of moles of a solute divided by the weight of the solvent in kilograms.
