# Concentration of the resulting solution in this question

• xiphoid
In summary, concentration refers to the measure of the amount of a substance in a given volume of solution and can be expressed in units such as molarity, molality, and mass percent. It is calculated by dividing the amount of solute by the amount of solvent and is important in various industries for determining effectiveness, potency, and impact, as well as allowing for precise measurements in experiments. Molarity and molality differ in that molarity takes into account the volume of the solution while molality takes into account the mass of the solvent. Concentration can affect properties of a solution such as density, boiling point, and freezing point due to the increased number of solute particles.
xiphoid

## Homework Statement

On boiling 1litre N/5 HCl, the volume of the aqueous solution decreases to 250mL. If 3.65g of HCl is removed from the solution then the concentration of resulting solution becomes?

## Homework Equations

No idea, from where should i start

1. Molarity of HCl?

2. Moles of HCl removed?

3. New volume?

You will have moles of HCl left in solution, new volume after boiling, so you can find out new molarity, and by extension, new Normality.

## What is the definition of concentration?

Concentration refers to the measure of the amount of a substance in a given volume of solution. It can be expressed in different units such as molarity, molality, and mass percent.

## How is concentration calculated?

Concentration is calculated by dividing the amount of solute (in moles, grams, or volume) by the amount of solvent (in liters or kilograms). This value is then multiplied by a conversion factor to get the concentration in the desired units.

## What is the difference between molarity and molality?

Molarity is the measure of concentration in moles of solute per liter of solution, while molality is the measure of concentration in moles of solute per kilogram of solvent. Molarity takes into account the volume of the solution, while molality takes into account the mass of the solvent.

## How does concentration affect the properties of a solution?

The concentration of a solution can affect its properties such as density, boiling point, and freezing point. This is due to the increased number of solute particles in the solution, which can disrupt the interactions between solvent molecules and alter the physical properties.

## Why is concentration important in various industries?

Concentration plays a crucial role in industries such as pharmaceuticals, agriculture, and environmental sciences. It helps determine the effectiveness and potency of a drug, the amount of nutrients in fertilizers, and the impact of pollutants on the environment. It also allows for precise and accurate measurements in laboratory experiments.

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