Question

find volume by volume concentration if 60 ml of alcohol in 300 of water to prepare solution​

Answer 1

Explanation:

If 60 ml of ethanol is diluted to a final volume of 400 ml, you create a 35 % ethanol solution.

First, realize that you creating a solution with that contains a polar solute (ethanol) with a polar solvent (water). Remember that "like dissolves like."

If you pour 60 ml of ethanol in a volumetric flask, you add 340 ml of water to dilute this solution to a final volume of 400 ml.

Volumetric flasks are designed to make or dilute solutions to specified final volume.

Since you have 60 ml of ethanol in a total solution of 400 ml, the percentage of ethanol is 35 %.

This result is obtained in the following manner.

ml/400. ml. = .35

.35 x 100%

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Answer 2

Answer:

Solution

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Volume of solute= 50ml

Volume of solvent= 150ml

∴ Total volume= 150+50=200ml

Concentration=

Volume of solution

Volume of solute

×100

=

200

50

×100

=25%