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A sample contains 3.01  1023 molecules of sulfur dioxide, SO2. Determine the amount in moles.
How many molecules of sucrose are in 3.50 moles of sucrose.
Calculate the number of moles that contain 4.50 x 1023 atoms of zinc (Zn).
How many molecules are there in 0.5 moles of CO2 gas?
How many moles of O2 contain 3.25  1023 O2 molecules?
Book work: PP & AQ
1. Determine the number of atoms in 2.50 mol Zn.
2. Given 3.25 mol AgNO3, determine the number of formula units
3. Calculate the number of molecules in 11.5 mol H2O.
4. How many moles contain each of the following?
a. 5.75 x 1024 atoms Al b. 3.75 x 1024 molecules CO2 c. 3.58 x 1023 formula units ZnCl2
5. How is a mole similar to a dozen?
6. What is the relationship between Avogadro’s number and one mole?
7. Explain how you can convert from the number of representative particles of a substance to moles of that substance.
10. Using Numbers Determine the number of representative particles in each of the following and identify the representative
particle: 11.5 mol Ag; 18.0 mol H2O; 0.150 mol NaCl.
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