1. How many GRAMS of magnesium are present in 36.1 moles of it?

2. How many ATOMS of potassium are present in 11.2 moles of it?

3. For 7 x 10³³ atoms of aluminum, how many grams are present?

4. In 15 moles of fluorine, how many GRAMS are present?

5. In 15 moles of sulfur, how many ATOMS are present?

6. In 89.0 grams of nitrogen, how many ATOMS are present?

7. For 2.02 x 10²⁶ formula units of magnesium chloride, how many GRAMS are present?

8. For 1.00 x 10¹² formula units of ammonium hydroxide, how many MOLES are present?

9. For 235.1 grams of sodium hydroxide, how many FORMULA UNITS are present?

10. For 13 grams of calcium bromide, how many MOLES are present?

11. We do not use the term "molecule" for ionic compounds. Instead, what is the name we use to identify a single unit of an ionic compound?

12. What is the mass (in amu OR in grams) of 4 molecules of carbon dioxide?

13. What is the mass (in amu OR in grams) of 3999 formula units of beryllium bromide?

14. If the area of a mole (the animal shown at the top of this page) is 30 square inches, how much area would a mole of moles cover?

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