What is the final volume when 100 mL of a 3 M solution is diluted to a concentra

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Question: What is the final volume when 100 mL of a 3 M solution is diluted to a concentration of 1 M? (2022) 2022

Options:

Correct Answer: 300 mL

Exam Year: 2022

Solution:

Using the dilution formula C1V1 = C2V2, we have 3 M * 100 mL = 1 M * V2. Thus, V2 = 300 mL.

What is the final volume when 100 mL of a 3 M solution is diluted to a concentration of 1 M? (2022) 2022

What is the final volume when 100 mL of a 3 M solution is diluted to a concentration of 1 M? (2022) 2022

Step 1: Identify the initial concentration (C1) and volume (V1). Here, C1 is 3 M and V1 is 100 mL.
Step 2: Identify the final concentration (C2). Here, C2 is 1 M.
Step 3: Use the dilution formula, which is C1 * V1 = C2 * V2.
Step 4: Substitute the known values into the formula: 3 M * 100 mL = 1 M * V2.
Step 5: Calculate the left side: 3 * 100 = 300.
Step 6: Now the equation looks like this: 300 = 1 M * V2.
Step 7: To find V2, divide both sides by 1 M: V2 = 300 mL.

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