February 23, 2017

Homework Help: Chemistry

Posted by Lilly on Tuesday, November 23, 2010 at 6:42pm.

20.2 mL of 0.234 M FeCl3 is added to 42.5 mL of 0.453 M NaOH. Iron(III) hydroxide precipitates. NaCl remains in aqueous solution.

1) What mass (in g) of Fe(OH)3 should precipitate (assuming 100% yield)?
2) How many moles of the excess reactant remain after the reaction is complete?
3) What is the molor concentration of the excess reactant at the end of the reaction? (M = moles solute / liters of solution)

I'd appreciate help.

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