# Problem: If 5.15 g Fe(NO3)3 (molar mass = 241.9 g/mol) is dissolved in enough water to make exactly 150.0 mL of solution, what is the molar concentration of nitrate ion? a. 0.0473 M b. 0.0212 M c. 0.142 M d. 0.318 M e. 0.426 M

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If 5.15 g Fe(NO3)3 (molar mass = 241.9 g/mol) is dissolved in enough water to make exactly 150.0 mL of solution, what is the molar concentration of nitrate ion?

a. 0.0473 M

b. 0.0212 M

c. 0.142 M

d. 0.318 M

e. 0.426 M

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