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QUIZ FOR (( calculations with chemical formulas and equations ))
Faculty of Engineering, Zagazig University
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Questions: 15 | Attempts: 343 | Last updated: Feb 23, 2023
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Sample Question 1Percentage of Magnesium [Mg] in Magnesium sulfate [MgSO4] Given Atomic Weights: Mg = 24 . S = 32 . O = 16
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Sample Question 2Balance the following equation: Mg3N2 + H2O Mg(OH)2 + NH3
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Sample Question 3A reaction that produces crude iron from iron ore is shown below: Fe2O3 (s) + 3CO (g) 2Fe (s) + 3CO2 (g) How many moles of iron could be produced from the reaction of 10 mol Fe2O3 and 25 mol of CO?
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