half the concentration means twice the volume.
so, add another 600.0 mL of H2O
A student has 600.0 mL of a 0.30M solution of HNO3. How much water must she add in order to make it a 0.15 M solution? Be careful how this question is answered.
2 answers
a solution is prepared by dissolving 22.0g of NaOH in 117.0g of water. The NaOH solution has a density of 1.15 g/mL. what is the Molarity(M) of the solution.