3. What is the concentration of 60fa19a50bb2e.jpg ions in a solution prepared by dissolving 15.0 g of Ba(NO3)2 in enough water to produce 300. mL of solution?
(A)0.057 M
(B)0.191 M
(C)0.573M
(D)0.382 M

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統計： A(0), B(4), C(1), D(3), E(0) #2740156