2L of 6M HCl
= 12 moles HCl
To prepare 2L of a 6M HCl solution, you will need to dilute a concentrated stock solution of HCl with water. Here are the steps to prepare the solution:
Step 1: Determine the amount of concentrated HCl needed.
To calculate the volume of concentrated HCl needed, you can use the formula:
Volume 1 x Concentration 1 = Volume 2 x Concentration 2
Where Volume 1 is the volume of the concentrated HCl stock solution, Concentration 1 is the concentration of the stock solution, Volume 2 is the desired final volume of the diluted solution (2L in this case), and Concentration 2 is the desired concentration (6M in this case).
Let's use this formula to determine the volume of the concentrated HCl needed:
Volume 1 x 6M = 2L x 6M
Volume 1 = (2L x 6M) / 6M
Volume 1 = 2L
Therefore, you will need 2L of concentrated HCl solution.
Step 2: Calculate the amount of water required.
To prepare a 6M solution, you need to add water to the concentrated HCl solution. The total volume after dilution will be 2L, so the amount of water needed will be:
Volume of water = Total volume - Volume of concentrated HCl
Volume of water = 2L - 2L
Volume of water = 0L
Therefore, no water is required since you will be using only the concentrated HCl solution.
Step 3: Prepare the solution.
To prepare the 6M HCl solution, carefully measure 2L of the concentrated HCl solution and pour it into a clean, dry container. Make sure to handle concentrated HCl with caution and follow appropriate safety precautions.
That's it! You have prepared 2L of 6M HCl solution.
To calculate the amount of HCl in 2L of a 6M solution, you can use the formula:
Amount of solute = concentration × volume
Here's how you can calculate it step by step:
Step 1: Calculate the amount of HCl in moles.
To do this, multiply the concentration (6M) by the volume in liters (2L):
Amount of HCl in moles = 6M × 2L = 12 moles of HCl
Step 2: Convert the moles of HCl to grams (optional).
Since you didn't specify whether you want the amount in moles or grams, I'll include this step as an option. To convert moles to grams, you need to know the molar mass of HCl. The molar mass of HCl is approximately 36.46 g/mol.
Amount of HCl in grams = 12 moles × 36.46 g/mol ≈ 437.52 grams (rounded to two decimal places)
So, for 2L of a 6M HCl solution, the amount of HCl is approximately 12 moles or 437.52 grams.