Chemistry
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BalancingEquationPracticeProblemSet_StudentVersion.docxChemistry 11 Name__________________________
Moles, Molar Mass and Balancing
Problem Set Lab____________________________
Get molar masses from periodic table.
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1. How many atoms of Mn are in 9.90 mole Mn
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2. How many moles of Co are in 4.87x1025 atoms Co? |
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3. What is the molar mass of Ca3P2? |
4. What is the molar mass of (NH4)2SO4 |
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5. How many grams of H2O are in 5.2x1018 molecules H2O?
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Balance the following chemical equations using coefficients. Don’t leave anything blank!!!
1.)
Bakersfield College Chemistry 11 Problem Set Julie Lowe
___Zn + ___HCl ___ZnCl2 + ___H2
___ C3H8 + ___O2 ___CO2 + ___H2O
____Al + ___FeO2 ___ Al2O3 + ___Fe
___NH3 + ___F2 → ___NH4F + ___NF3
___MoS2 + ___O2 → ___MoO3 + ___SO2
___Fe + ___H2O → ___Fe2O3 + ___H2
___NaHCO3 ___Na2CO3 + ___H2O + ___CO2
Write a balanced chemical equation from the written words.
2.) lead(II) nitrate + potassium chloride yields lead(II) chloride + potassium nitrate
3.) aluminum nitrite added to sodium hydroxide produces aluminum hydroxide and sodium nitrite
4.) iron combines with oxygen to create iron (III) oxide
5.) ammonium chloride and barium hydroxide react to produce barium chloride and ammonia gas (NH3) and water
More practice balancing reactions.
1. C3H8 + O2 CO2 + H2O
2. Al2(SO3)3 + NaOH Na2SO3 + Al(OH)3
3. Al2O3 + Fe Fe3O4 + Al
4. KClO3 KCl + O2
5. NH4NO3 N2O + H2O
6. NaHCO3 Na2CO3 + H2O + CO2
7. P4O10 + H2O H3PO4
8. Al + H2SO4 Al2(SO4)3 + H2
9. Be2C + H2O Be(OH)2 + CH4
10 NH3 + CuO Cu + N2 + H2O
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