Question

What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C2O4 )3 ∙ 9 H2O } can be obtained from 650 mL of 0.0170 M aqueous solution of LaCl3 by adding a stoichiometric amount of sodium oxalate ?

Answer 1

Mass, x=$\frac {2.71g×704g/mol}{2×245.26}$

X=3.89 of [La2 ( C2O4 )3 ∙ 9 H2O]