What volume of 0.200 M ethanol solution contains each amount in moles of ethanol? c. 1.2⨉10^-2 mol ethanol

Verified step by step guidance

1. Determine the relationship between moles, molarity, and volume using the formula: Molarity (M) = \( \frac{\text{moles of solute}}{\text{volume of solution in liters}} \).
2. Rearrange the formula to solve for volume: Volume (L) = \( \frac{\text{moles of solute}}{\text{Molarity}} \).
3. Substitute the given values into the equation: moles of ethanol = 1.2 \times 10^{-2} \text{ mol} and Molarity = 0.200 \text{ M}.
4. Calculate the volume in liters using the rearranged formula.
5. Convert the volume from liters to milliliters if necessary, knowing that 1 L = 1000 mL.

Key Concepts

Molarity (M)

Molarity is a measure of concentration defined as the number of moles of solute per liter of solution. It is expressed in moles per liter (mol/L). Understanding molarity is crucial for calculating the volume of a solution needed to achieve a specific number of moles of solute.

Volume Calculation

To find the volume of a solution required to contain a certain number of moles of solute, the formula used is Volume (L) = Moles of solute / Molarity. This relationship allows for the determination of how much solution is needed based on its concentration and the desired amount of solute.

Stoichiometry

Stoichiometry involves the calculation of reactants and products in chemical reactions. In this context, it helps in understanding the quantitative relationships between moles of ethanol and the volume of the solution, ensuring accurate measurements in chemical preparations.