Question

2.5 cm cube of alcohol are mixed with 75 cm cube of water. Calculate the concentration of the
solution​

Answer 1

Answer:

3.24% is the concentration of solution

Explanation:

because formula of solution is volume of solute divided by mass of solution multiplied by 100

Answer 2

The concentration of the solution is 3.23%

Explanation:

Given:

Volume of alcohol = 2.5 cc

Volume of water= 75 cc

To find out:

Concentration of the solution

Solution:

We know that concentration of solution (V/V) is given by

$\text{Concentration}=\frac{\text{Volume of solute}}{\text{Volume of solution}}$

Here alcohol is the solute

The total volume of the solution = Volume of alcohol + Volume of water

                                                     = 2.5 + 75 = 77.5 cc

Thus the concentration of the solution

$=\frac{2.5}{77.5}\times 100$

$=3.23\%$

Hope this answer is helpful.

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