What is the concentration of NO3- ions in a solution prepared by dissolving 25.0 g of Ca(NO3) 2 in enough water to produce 300 mL of solution?
A) 0.254 mol L-1
B) 0.508 mol L-1
C) 0.672 mol L-1
D) 1.02 mol L-1
Correct Answer:
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