Chem Exam 1 molarity and dilution
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15 Terms
What is molarity?
Moles of solute per liter of solution.
What is the molarity formula?
M = mol/L.
How do you find moles from molarity?
mol = M × V.
What unit must volume be in for molarity?
Liters.
How do you convert mL to L?
Divide mL by 1000.
What is a solute?
The substance being dissolved.
What is a solvent?
The substance doing the dissolving.
What is a solution?
A homogeneous mixture of solute and solvent.
What is the dilution equation?
M₁V₁ = M₂V₂.
What happens to moles of solute during dilution?
The moles of solute stay constant.
What happens when a solution is diluted?
Its concentration decreases.
What is M₁?
Initial concentration.
What is V₁?
Initial volume.
What is M₂?
Final concentration.
What is V₂?
Final volume.