A common laboratory method for preparing oxygen gas involves decomposing potassium chlorate (KClO3),(KClO3), as shown by the reaction.   2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2   Based on this equation, how many grams of KClO3KClO3 must be decomposed to produce 5.55 mol KCl5.55 mol KCl? mass:   g KClO3g KClO3 How many grams of KClO3KClO3 must be decomposed to produce 49.7 g O249.7 g O2? mass:   g KClO3

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Q: How many grams of potassium chlorate are there At the completion of reactions?

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Q: 9. Consider the reaction: SO3(g) + H2O(l) ----→ H2SO4(aq) A chemist allows 61.5 grams of SO3 and…

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Q: The combustion of ammonia in the presence of oxygen yields NO2 and H2O: 4 NH3(g) + 7 O2(g) → 4…

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Q: 1. When heated, calcium carbonate decomposes according to the equation: CaCO3(s) →CaO(s) + CO₂(g) A…

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Q: amount of nickel(III) oxide

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Q: Consider the following reaction Ca(s) + 2HCl(aq) --> CaCl2(aq) + H2(g) What mass of Ca is needed…

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Q: Consider the following chemical reaction: Na2Cr2O7(aq) + BaCl2(aq) ---------------> NaCl(aq) +…

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Q: what is the maximum number of moles of C that can be formed?

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Q: Consider the combustion of methane.   CH4(g)+2O2(g)→CO2(g)+2H2O(g)  Suppose 2.5 mol  of methane are…

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Q: A 3.82-g sample of magnesium nitride is reacted with 7.73 g of water.                         Mg3N2…

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Q: What is the actual amount of magnesium oxide produced when excess carbon dioxide reacts with 44.8 G…

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