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Stoichiometry Practice Quiz
Quiz by Kristy Roberts
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4 questions
Q.Calculate the number of moles of potassium chlorate that must decompose to produce potassium chloride and 1.8 moles of oxygen gas.
1
30 sec
Q.Magnesium metal reacts with hydrochloric acid (HCl) to produce magnesium chloride and hydrogen gas. How many moles of hydrochloric acid are needed to completely react with 2.43 g of magnesium?
2
30 sec
Q.Ethane, CH reacts with oxygen gas to produce carbon dioxide gas and water vapor. What mass (in grams) of oxygen gas is required to react with 2.20 moles of ethane?
3
30 sec
Q.Zinc sulfide and oxygen gas react to form zinc oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a reaction between 46.5 g of ZnS and 13.3 g of oxygen. What is your limiting reactant?
4
30 sec