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Please explain the answer!
This is from Meritnation test.

Please explain the answer! This is from Meritnation test. tnhxmatnv' to (Ahvn« mass - q) •th c al equabon ts hhat ts the mass 0t iron

Dear Student,

Your answer is correct.

2Fe + 3H2O→Fe2O3 +3H2according to the equation - 2 moles of Fe produces 1 mole of Fe2O3thus, 6 moles of Fe should produce 3 mole of Fe2O31 mole of Fe=56g thus, 6 moles of Fe =6x56 = 336g 

Regards,

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Your answer was correct. Notice, in the question mass of iron corresponding to 3 moles of its oxide was asked, whereas in the given solution, they have solved for 12 moles of the same; hence, double the answer.
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@shashwat: Thanks!
I posted on Meritnation because I want to show them that their test answers are wrong!
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