Suppose that an initial volume (V1) of 8.764 mL of NaCl solution was diluted to V2-15.480 mL to obtain a final solution with concentration M2= 1.142 mol/L. Calculate the initial concentration (M1) of the NaCl solution. a. Choose the correct operation for calculating the initial concentration M1: b. The correct operation after substituting the values looks like: c. M1: = → Unit =

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