Analysis and Post-lab Questions:
Answer the following on separate sheets of paper and show all your work!
b.) H₂SO4 c.) Al(NO3)3
1. Determine the molar mass for the following compounds: a.) Ca(OH);
2. Determine the molar mass of: a.) 12 moles of ammonia b.) 5 moles of calcium chloride.
3.
You are performing an experiment in the chemistry lab that calls for 3.00 moles of chromium(II) carbonate.
How many grams should you measure out in order to do the experiment?
4. The directions for a chemical reaction tell you to use exactly 1.75 moles of either tin (Sn) or aluminum (Al).
You check the chemical store room and find that there is a 200.0-gram bottle of each chemical. Which one
could you use for the reaction? Use appropriate calculations to support your choice.
5. You have samples of 100.0 grams of calcium carbonate and 100.0 grams of potassium nitrate. Which sampl
contains the greater number of atoms? Explain by using appropriate calculations.