Chapter 10 Test Review
Name:
1) What value is Avogadro’s number? 2) What is the amount of 1 mole? 3) How many moles of donuts do you have if you have 6.02 x 1023 donuts? 4) How many moles of ice cubes do you have if you have 6.02 x 1023 ice cubes? 5) If you have 8.5 x 1025 atoms of sulfur, calculate how many moles of sulfur you have.
6) If you have 3.6 moles of calcium chloride, calculate how many formula units of calcium chloride you have.
7) What is the molar mass of the compound, FeSO4?
8) If you have 6.8 mole of FeSO4, how many grams of FeSO4 is this?
9) How many atoms of magnesium are there in 9.25 grams of magnesium? (first convert grams to moles then convert moles to atoms)
10) What are formula units the representative particles of? 11) If you want to convert from mass to particles, what do you have to convert to first? 12) What is the percent composition of each element in the compound CaO?
13) What are atoms the representative particles of? 14) How many molecules are in 6.4g of SO2? ( it requires two steps to convert)