Question

What do you mean by the term concentration ?

Calculate the mass by volume percentage of salt solution in which 20g of salt dissolved in 50ml of water

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Answer 1

Here is your answer...

In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.

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Answer 2

Concentration is defined as the amount of particular substance in another substance especially a mixture or a solution.

• It measures how much of the substance mixed with another substance.
• it is usually expressed in terms of mass per unit volume.

Given :

Mass of Solute = 20 g

Volume of Solution = 50 ml

To find :

Mass by volume %

Solution :

We know, the mass by volume% is calculated by the formula

• Mass by volume percentage = Mass of solute × 100/ Volume of solution

= 2000/50

= 40%

Hence, the mass by volume% of salt solution is 40.