1. The molar mass of NaHCO3 is_____ g/mol 2. The molar mass of carbon dioxide_____ is g/mol. 3. A sample of NaHCO3 weighs 2.80g. The number of moles of NaHCO3 in the sample______ is moles. 4. A 2.

Please show calculations.

1. The molar mass of NaHCO3 is_____  g/mol

2. The molar mass of carbon dioxide_____ is  g/mol. 

3. A sample of NaHCO3 weighs 2.80g. The number of moles of NaHCO3 in the sample______ is  moles.

4. A 2.83g sample of carbon dioxide contains______  moles of carbon dioxide.

5.  If 4.0 moles of carbon dioxide were produced in reaction A, how many moles of NaHCO3 were used? 

6.A student completes Lab #4 and finds that trial number 1 produces .346 moles of carbon dioxide and that trial #2 produces .358 moles of carbon dioxide. The student concludes that the average amount of carbon dioxide produced in the experiment is  mole

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