Volume of NaOH required:
Moles of Fe3+ = 0.01 mol
Moles of OH- required = 3*0.01 = 0.03 mol
Moles of NaOH to be added = 0.03 mol
Volume of 1 M NaOH to be added = 0.03/1 M = 0.03 L
= 30 ml
So, limiting is Fe(NO3)3
Mass of Fe(OH)3 precipitated;
1 mol of Fe3+ = 1 mol of Fe(OH)3
0.010 mol of Fe3+ = 0.010 mol of Fe(OH)3
mass of precipitates = 0.010 mol * 106.867 g/mol
= 1.069 g
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