User:M1ss1ontomars2k4/sandbox

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\begin{align} M_1 V_1 & = M_2 V_2 \\ 0.0987 \mbox{ M} \times 250.0 \mbox{ mL} & = M_2 \times 5.0 \mbox{ mL} \\ M_2 & = 4.9 \mbox{ M}\\ \end{align}