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April 21, 2014

Homework Help: chem

Posted by fru on Monday, September 22, 2008 at 3:00pm.

Ca(H2PO4)2 and NaHCO3 are ingredients of baking powder which react with each other to produce CO2, thereby causing dough or batter to rise:

Ca(H2PO4)2 (s) + NaHCO3 (s) ----->
CO2 (g) + H2O (g) + CaHPO4 (s) + Na2HPO4 (s) (unbalanced)
If the baking powder contains 39 % NaHCO3 and 51 % Ca(H2PO4)2 by mass,

What volume (in Litres) of CO2 is produced from 1.00 g baking powder, assuming that 1 mol of CO2 occupies 63.7 L at 177 oC (a typical baking temperature)?

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