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Molarity of Two Solutions Calculator

Molarity Mixing Equation:

\[ M_{final} = \frac{M1 \times V1 + M2 \times V2}{V1 + V2} \]

mol/L
L
mol/L
L

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1. What is the Molarity Mixing Equation?

The molarity mixing equation calculates the final concentration when two solutions are mixed together. It accounts for both the concentrations and volumes of the original solutions to determine the new concentration.

2. How Does the Calculator Work?

The calculator uses the molarity mixing equation:

\[ M_{final} = \frac{M1 \times V1 + M2 \times V2}{V1 + V2} \]

Where:

Explanation: The equation calculates the total moles of solute from both solutions divided by the total volume after mixing.

3. Importance of Molarity Calculation

Details: Calculating the final molarity is essential in laboratory work, chemical preparations, and when diluting solutions to achieve desired concentrations.

4. Using the Calculator

Tips: Enter all values in their respective units (mol/L for molarity, L for volume). All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Can I use different volume units?
A: No, both volumes must be in the same units (liters in this calculator) for the equation to work correctly.

Q2: What if I mix more than two solutions?
A: The equation can be extended: \( M_{final} = \frac{\sum(M_i \times V_i)}{\sum V_i} \)

Q3: Does temperature affect the calculation?
A: The calculation assumes volumes are additive, which may not be strictly true for all solutions at all temperatures.

Q4: Can I use this for very dilute solutions?
A: Yes, but for extremely dilute solutions, other factors like ionic strength may become important.

Q5: How precise is this calculation?
A: The calculation is mathematically precise, but actual results may vary due to measurement errors or non-ideal solution behavior.

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