Answer:
2.4 M
Explanation:
The dilution formula, M1V1 = M2V2, states that the initial molarity times the initial volume equals the final molarity times the final volume. Plug in the values and solve for M2:
12 M * 0.5 L = M2 * 2.5 L
6 = M2 * 2.5 L
M2 * 2.5 L = 6
M2 = 6 / 2.5 = 2.4 M
