Josephcastillo1574 Josephcastillo1574 29-02-2024 Chemistry contestada A solution of MgCl2 which is equivalent to 100,000 mg/L as calcium carbonate. Express this concentration in N and M units. Atomic weights: Ca: 40, C: 12, O: 16 a. 2.48 N, 124.2 M b. 2.5 N, 125 M c. 3.2 N, 160 M d. 3.6 N, 180 M