a solutioohol mixed with 125 cu.cm of water find the concentrationn contains 4.5 cu.cm of alc
Add the volumes together:
V,total = 125 + 4.5 = 129.5 m^3
Since alcohol is 4.5 m^3, the v/v % is
V,alcohol / V,total
= 4.5 / 129.5 * 100
= 3.6 %
*sorry, I mean
4.5 / 129.5 = 3.47 % v/v
To find the concentration of alcohol in the solution, we need to first calculate the total volume of the solution.
The total volume can be calculated by adding the volume of alcohol to the volume of water:
Total volume = volume of alcohol + volume of water = 4.5 cu.cm + 125 cu.cm = 129.5 cu.cm
Next, we can find the concentration of alcohol by dividing the volume of alcohol by the total volume of the solution, and then multiplying by 100 to express it as a percentage:
Concentration of alcohol = (volume of alcohol / total volume) * 100
Concentration of alcohol = (4.5 cu.cm / 129.5 cu.cm) * 100
Now, let's calculate the concentration:
Concentration of alcohol ≈ (0.0347) * 100 ≈ 3.47%
Therefore, the concentration of alcohol in the solution is approximately 3.47%.