Post Lab Questions Show all your work to receive credit. 1. Calculate the molar mass for the following compounds. (2 pts
Posted: Fri Jul 15, 2022 4:46 pm
Post Lab Questions Show all your work to receive credit. 1. Calculate the molar mass for the following compounds. (2 pts) a. Aluminum nitrate b. Calcium hydroxide 2. Convert 25.9 g of lithium nitrate to moles. (1 pl ) 3. Convert 11.4 g of NaCl to molecules. (1pt) 4. What is the mass of 2.33×1023 molecules of calcium chloride? (2 pts) 5. How many chlorine atoms are in 22.5 g of sulfur hexachloride? (2 pts)
6. How many grams of carbon are in 25.0 g of CO2 ? (2 pts) 7. How many grams of hydrogen are in 11.0 g of H2O ? (2 pts) 8. What is the percent mass of oxygen in LiNO3 ? (2 pt5) 9. What is the empirical fomula of a compound that is made up of 81.68% carbon and 18.32% hydrogen? (2pt5) 10. Upon combustion, a 0.8009 g sample of a compound containing only carbon, hydrogen, and oxygen produces 1.6004 gCO2 and 0.6551 gH2O. Find the empirical formula of the compound. (4 pts)
6. How many grams of carbon are in 25.0 g of CO2 ? (2 pts) 7. How many grams of hydrogen are in 11.0 g of H2O ? (2 pts) 8. What is the percent mass of oxygen in LiNO3 ? (2 pt5) 9. What is the empirical fomula of a compound that is made up of 81.68% carbon and 18.32% hydrogen? (2pt5) 10. Upon combustion, a 0.8009 g sample of a compound containing only carbon, hydrogen, and oxygen produces 1.6004 gCO2 and 0.6551 gH2O. Find the empirical formula of the compound. (4 pts)