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Posted by on Thursday, July 21, 2011 at 11:13pm.

Sodium carbonate reacts with hydrochloric acid as shown in an unbalanced chemical equation. What mass of Co2 is produced from the reaction of 2.94g Na2 Co2 with excess HCI?

Na2CO3(s)+HCI(aq)+ CO2(g)+H2O

A. 1.22 g
B. 2.44 g
C 2.94 g
D 5.88 g
E 7.08 g

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