How much NaOH is required to obtain 2 moles of Fe (OH) 3?

Let’s compose the reaction equation:
3NaOH + FeCl3 = Fe (OH) 3 + 3NaCl
To obtain 1 mol of Fe (OH) 3, 3 mol of NaOH is needed.
Therefore, to obtain 2 mol of Fe (OH) 3, you need 3 * 2 = 6 mol of NaOH.
Answer: 6 mol



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