What is the total number of moles in 2 liters of a 3 M solution? (2022)

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Question: What is the total number of moles in 2 liters of a 3 M solution? (2022)

Options:

Correct Answer: 6 moles

Solution:

Moles = Molarity * Volume = 3 mol/L * 2 L = 6 moles.

What is the total number of moles in 2 liters of a 3 M solution? (2022)

What is the total number of moles in 2 liters of a 3 M solution? (2022)

Step 1: Understand what molarity (M) means. Molarity is the number of moles of solute per liter of solution.
Step 2: Identify the values given in the question. We have a molarity of 3 M (which means 3 moles per liter) and a volume of 2 liters.
Step 3: Use the formula to calculate the number of moles. The formula is: Moles = Molarity * Volume.
Step 4: Plug in the values into the formula. Moles = 3 mol/L * 2 L.
Step 5: Perform the multiplication. 3 * 2 = 6.
Step 6: Conclude that the total number of moles in the solution is 6 moles.

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