Chemistry Homework Help
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