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# Solution Concentration Quiz

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### What is the definition of mass percentage (w/w) of a component in a solution?

Mass % of a component = (Mass of the component in the solution / Total mass of the solution) x 100

### In which situations is qualitative description of concentration inadequate?

When precise quantitative information is needed

### What does it mean when a solution is described as '10% glucose in water by mass'?

10 g of glucose is dissolved in 90 g of water resulting in a 100 g solution

### Why is quantitative description necessary for describing concentration?

<p>To provide precise information about concentration</p> Signup and view all the answers

### What is the definition of volume percentage (V/V) of a component in a solution?

<p>(Volume % of a component = Volume of the component / Total volume of solution) x 100</p> Signup and view all the answers

## Study Notes

### Concentration of Solutions

• Mass Percentage (w/w): The proportion of the mass of a component in a solution to the total mass of the solution, expressed as a percentage.

### Limitations of Qualitative Description

• Inadequate situations: Qualitative description of concentration is insufficient when accurate measurements are required, such as in scientific research, medical applications, and precise chemical reactions.

### Solution Composition

• '10% glucose in water by mass': Means that 10 grams of glucose are present in every 100 grams of the solution, which is a quantitative description of the concentration.

### Importance of Quantitative Description

• Necessity: Quantitative description is necessary for describing concentration because it provides precise and accurate measurements, which are crucial in various scientific and practical applications.

### Volume Percentage (V/V)

• Definition: The proportion of the volume of a component in a solution to the total volume of the solution, expressed as a percentage.

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## Description

Test your knowledge about expressing solution concentration qualitatively and quantitatively. Learn about different ways to describe the concentration of a solution and why quantitative description is important in real life.

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