What is the molarity of Fe(NO 3 ) 3 in a 2.14% w/v Fe(NO 3 ) 3 solution? (Molar Mass of Fe(NO 3 ) 3 = 241.88). Hint: X % w/v = Xg/100mL = X x 10 g /L Molarity = moles / L so divide X x 10 g by molar mass will give you moles per liter (M).

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What is the molarity of Fe(NO₃)₃in a 2.14% w/v Fe(NO₃)₃ solution? (Molar Mass of Fe(NO₃)₃= 241.88).

Hint: X % w/v = Xg/100mL = X x 10 g /L

Molarity = moles / L so divide X x 10 g by molar mass will give you moles per liter (M).

2.14 M

0.0088 M

0.0214 M

0.088 M

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