Question

Calculate the number of moles of H2O formed when 0.200 mole of Ba(OH)2 is treated with 0.500 mol of HClO3 according to the chemical reaction shown below.
 Ba(OH)2+2HClO3 ----> Ba(ClO3)2 + 2 H2O

Answer 1

disadvantage n(Ba(OH)2),

n(Ba(OH)2)=2n (H2O )=0.2*2=0.4 mol