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April 20, 2014

Homework Help: CHM

Posted by Aliyah on Wednesday, October 10, 2012 at 10:24pm.

Need help please

Which of the following equations has the coefficients 2,1,1,2 when it is balanced?

Fe2O3 + HClO4 → Fe(ClO4)3 + H2O
Ca(OH)2 + H3PO4 → Ca3(PO4)2 + H2O
KOH + H2SO4 → K2SO4 + H2O
Ba(OH)2 + P4O10 → Ba3(PO4)2 + H2O
Al2O3 + H2SeO4 → Al2(SeO4)3 + H2O

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