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- 1. Multiple Choice2H2 + O2 → 2H2O
How many moles of oxygen are consumed if 8 moles H2 are used?2468 - 2. Multiple ChoiceFor the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of MgO to moles Fe?3mol Mg / 2 mol Fe2 mol Mg/ 3 mol Fe1 mol Fe/ 2 mol Fe3 mol MgO / 2 mol Fe
- 3. Multiple Choice2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?6.7 mol1.0 mol10.1 mol4.5 mol - 4. Multiple Choice2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?5.2 g2.6 g690 g45 g - 5. Multiple ChoiceSiO2 + 3C → SiC + 2CO
I need to add 8 moles of Carbon to the reaction. How many grams of Carbon should I weigh?96 g0.67 g2.67 g48 g - 6. Multiple ChoiceCl2 + 2 KBr → Br2 + 2 KCl
How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?749 g223 g479 g814 g - 7. Multiple ChoiceCH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?13.7 mol2.75 mol6.11 mol6.85 mol - 8. Multiple Choice2 NaClO3 (s) --> 2NaCl (s) +3 O2 (g)
12.00 moles of NaClO3 will produce how many grams of O2?256 g of O2576 g of O2288 g O2 - 9. Multiple ChoiceB2H6 + 3O2 -->2 HBO2 + 2 H2O
What mass of O2 will be needed to burn 36.1 g of B2H6?13.8 g O23.86 mol of O2124 g O2 - 10. Multiple Choice4 Al + 3 O2 –> 2 Al2O3 How much aluminum would be needed to completely react with 45 grams of O2?1.05 moles3.75 moles1.875 grams1.875 moles
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