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Chemistry
Chapter 7 Practice – Moles
1. Calculate molar masses for the following compounds:
a. H2O
b. CaCl2
c. MgO
d. (NH4)2CO3
e. Mn2O
f. CCl4
2. How many moles are present in 101 grams of SrF2?
3. How many moles are there in 75.5 grams of Pb(NO3)2?
4. How many grams are present in 2.15 moles of lithium sulfide?
5. How many grams are in 4.5 moles of cobalt(II) nitride?
6. How many molecules are in 14.2 moles of NCl3?
7. How many atoms are present in 1.99 moles of Ti?
8. How many moles are present in 3.75 x 1025 molecules of S2O3?
9. How many grams are there in 2.504 x 1022 formula units of NiBr3?
10. How many formula units are there in 97 grams of V(ClO2)4?
11. How many grams are there in 1.7 x 1025 molecules of N2?
12. How many formula units are there in 590 grams of SnS2?
13. What would be the mass of 3.29 x 1030 atoms of platinum?
14. What is the molar mass of potassium phosphate?
15. How many moles would be found in 16 grams of glucose, C6H12O6?
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