# What is the mole fraction of 1 molal solution?

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## What is mole fraction of solute in 1 molal solution?

Solution: 1 molal aqueous solution means 1 mole of solute in 1 kg (or 1000 g) of water. The molecular weight of water is 18 g/mol. The number of moles of water =18g/mol1000g=55.56mol. The mole fraction of the solute =1mol+55.56mol1mol=0.018. Thus, option D is correct.

0.0177.

## What do you mean by 1 molal solution?

A solution obtained by dissolving one gram of the solute in 1000 grams of solvent is known as a 1 molal solution. For example, when 60 g of NaOH are dissolved in 1000 g of solvent, the solution contains 1.5 moles of solute in 1 kg of solvent. Therefore, the molality is 1.5. … The SI unit for molality is mol/kg.

## What is the mole fraction of solvent in 1 molal aqueous?

1 molal aqueous solution means that 1 mol/kg that is 1 mol of solute is present in the 1000 g of the water(here the aqueous means that solvent is water). The mole fraction of solvent in 0.1 molal aqueous solution is 0.9982.

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## What is the unit of mole fraction?

D. Mole fraction is a unit of concentration, defined to be equal to the number of moles of a component divided by the total number of moles of a solution. Because it is a ratio, mole fraction is a unitless expression. The mole fraction of all components of a solution, when added together, will equal 1.

## What is the mole fraction of methyl alcohol?

Therefore, the mole fraction of methyl alcohol in the solution is 0.086.

## What is the mole fraction of solute in 1 and aqueous solution?

We will divide the mass of water with its molecular weight to obtain the number of moles of water. Hence, the number of moles of water present is [55.56{text{ moles}}] . The number of moles of the solute A is one mole. Thus, the mole fraction of the solute in a [1.00{text{ }}m] aqueous solution is 0.0177.

## What is the mole fraction of solute in 0.5 molal aqueous solution?

0.5 molal solution means 0.5 moles of solute in 1 kg of water. The molar mass of H2O = 18.015 g/mol.

## What is the mole fraction of h2o2?

Thus the mole fraction of hydrogen peroxide in a 30% aqueous solution of hydrogen peroxide is 0.184.

## How do you make a 1 molal solution?

A one molal solution contains 1 mole of solute per 1000 g (1 kg) of solvent. To prepare a one molal solution of sucrose you would weigh one mole of sucrose into a container and add 1000 g water (1 liter). Note that volume of solvent rather than the volume of solution is measured.

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## What is the value of 1 mole?

The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12 (12 g C = 1 mol C atoms = 6.022 × 1023 C atoms).

## What is Molar and molal solution?

Molarity is the ratio of the moles of a solute to the total liters of a solution. The solution includes both the solute and the solvent. Molality, on the other hand, is the ratio of the moles of a solute to the kilograms of a solvent.