What is the molarity of a 3.0-liter solution that contains 0.45 moles of solute?
Molarity = moles / Volume in liters
M = 0.45 / 3.0
M = 0.15 mol/L
Answer: 0.15 M
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.
\(Molarity=\frac{moles}{\text {Volume in L}}\)
Moles are calculated by dividing the given mass by molecular mass of that substance.
\(Molarity=\frac{0.45moles}{\text {3.0 L}}\)
\(Molarity=0.15M\)