ANSWER ALL QUESTIONS ON YOUR OWN PAPER AND SHOW ALL WORK!

1. How many GRAMS of magnesium phosphate are found in 2.8 moles of it?

2. For 125 grams calcium sulfate, how many MOLES are present?

3. Calculate how many ATOMS of carbon are found in 7 formula units of iron (III) cyanide.

4. What is the mass (in AMU or in grams) of 5 molecules of carbon dioxide?

5. For 567 grams of strontium sulfate, how many FORMULA UNITS are present?

6. For 6.7 x 10¹² atoms of xenon, how many MOLES are present?

7. For 8.9 x 10¹⁵ formula units of calcium oxide, how many GRAMS are present?

8. In 56 moles of sulfur, how many ATOMS are present?

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