calculate the concentration of each solutions:

3 moles of solute dissolved in 2 liter of solution

6 moles of solute dissolved on 9 liters of solution

4 moles of solute dissolved in 3 liters of solution

moles/L = molarity.

3 moles/2 liters = ?? etc.

that is true and remember that litre is equivalent to dm^3.

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To calculate the concentration of a solution, we need to use the formula:

Concentration (C) = moles of solute / volume of solution

For the first solution, we have 3 moles of solute dissolved in 2 liters of solution. Plugging these values into the formula:

C₁ = 3 moles / 2 liters = 1.5 moles per liter

Therefore, the concentration of the first solution is 1.5 moles per liter.

For the second solution, we have 6 moles of solute dissolved in 9 liters of solution:

C₂ = 6 moles / 9 liters = 0.67 moles per liter

The concentration of the second solution is 0.67 moles per liter.

For the third solution, we have 4 moles of solute dissolved in 3 liters of solution:

C₃ = 4 moles / 3 liters = 1.33 moles per liter

The concentration of the third solution is 1.33 moles per liter.