If a solution is diluted, say by adding 100ml of solvent, does the number of moles of solute change? Does the concentration increase, decrease, or stay the same?
i think it depends on what the solvent is, for example if its water then the concentration would decrease?? please help!!!
adding more solvent, with the same amount of solute, DILUTES the solution. What difference can what the solvent is make?
OH yes, if it is more dilute, the concentration of the solute is LESS.
When a solution is diluted by adding a solvent, such as water in this case, the number of moles of solute remains the same. The dilution process only affects the volume and concentration of the solution.
To determine whether the concentration increases, decreases, or stays the same after dilution, you need to know the initial volume and concentration of the solution.
The formula for calculating concentration is:
Concentration (C) = moles of solute (n) / volume of solution (V)
If the initial volume and concentration of the solution are known, you can use the equation above to calculate the concentration before dilution.
After dilution, the volume of the solution increases, but the number of moles of solute remains the same. Thus, the overall concentration decreases.
To determine the new concentration after dilution, you need to use the equation:
C1V1 = C2V2
Where C1 and V1 are the initial concentration and volume, and C2 and V2 are the final concentration and volume after dilution. You can rearrange this equation to find the final concentration (C2).
So, in summary, when a solution is diluted by adding a solvent, the number of moles of solute does not change. However, the concentration decreases due to the increase in the volume of the solution.