8. An element A reacts with compound Bo, to produce A204 and B203. The no. of moles of A,O produced if one mole each of A and BO, is reacted, is 3A00 , Agou Boon (1) 3 (2) (4) (4) 1 (3) 2 1

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( A+B O_{3} longrightarrow B D O B ) Atter balancing [ 8 cdot 9 A+8 B 03 rightarrow 300304+4 B 203 ] | nonole ( mid ) rons ( mid c ) [ frac{1}{9} quad frac{1}{8} ] (limiring reagent Affer reactiong ( begin{aligned} 0 quad 0 cdot 0138 & frac{3}{9} times 1 &=frac{1}{3} text { moleg } end{aligned}=frac{4}{9} ) Thus I mole of A will produce ( frac{1}{3} ) mole ( beta ) 05 [ .4 .304 ] OP tion (2) is correct.

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