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Chemistry, 15.05.2021 04:10 firefox1fan

PLEASE HELP ASAP! WILL MARK BRAINLIEST FOR CORRECT ANSWER! A 3.81-gram sample of NaHCO3 was completely decomposed in an experiment.

2NaHCO3 → Na2CO3 + H2CO3

In this experiment, carbon dioxide and water vapors combine to form H2CO3. After decomposition, the Na2CO3 had a mass of 2.86 grams. Calculate the percentage yield of H2CO3 for the reaction.

A. 67.8%
B. 70.7%
C. 54.2%
D. 69%

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