8. How many grams of potassium chloride are produced by decomposing 118 grams of potassium chlorate ? NameDatePeriodStoichiometry Practice Problems-1Directions: On another sheet of paper, complete the following problems. Show ALL workthe CORRECT way, circle final answer, be neat, and remember sig. figs.1. How many moles of oxygen would be required to react with calcium toproduce 8 moles of calcium oxide?2. Şodium Carbonate reacts with nitric acid to produce sodium nitrate,carbon dioxide, and water. How many moles of Sodium carbonate arerequired to produce 100.0 grams of sodium nitrate?3. By using the same equation in #0, if 7.50 grams of sodium carbonatereacts, how many moles of carbon dioxide are produced?CO 24. Methane gas, CH4, burns in air to produce carbon dioxide and water.What mass of water is produced by burning 500. grams of methane?5. Hydrogen peroxide breaks down releasing oxygen gas and water. Whatmass of oxygen is produced when 1.840 moles of hydrogen peroxidedecompose?6. By using the same equation in #4, what mass of water is produced when5.0 moles of oxygen is produced by this reaction?7. Chlorine gas, water, and Manganese (II) chloride can be produced in thelab by adding concentrated hydrochloric acid to Manganese (IV) oxide.Calculate the mass of Manganese (IV) oxide needed to produce 25.0grams of chlorine gas.8. How many grams of potassium chloride are produced by decomposing118 grams of potassium chlorate?9. How many moles of potassium metal would be needed to react withFluorine gas to make 800 grams of potassium fluoride.10. Magnesium burns in air to produce magnesium oxide. What mass ofmagnesium will burn in the presence of 189 mL of oxygen? The density ofoxygen is 1.429 g/L.

In Decomposition of potassium chlorate 2 moles of potassium chlorate produced 2 moles of potassium…

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How many grams of potassium chloride are produced by decomposing 118 grams of potassium chlorate ?

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter11: Stoichiometry

Section: Chapter Questions

Problem 101A: Air Pollution Nitrogen monoxide, which is present in urban air pollution, immediately Converts to...

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Question

8. How many grams of potassium chloride are produced by decomposing 118 grams of potassium chlorate ?

Name
Date
Period
Stoichiometry Practice Problems-1
Directions: On another sheet of paper, complete the following problems. Show ALL work
the CORRECT way, circle final answer, be neat, and remember sig. figs.
1. How many moles of oxygen would be required to react with calcium to
produce 8 moles of calcium oxide?
2. Şodium Carbonate reacts with nitric acid to produce sodium nitrate,
carbon dioxide, and water. How many moles of Sodium carbonate are
required to produce 100.0 grams of sodium nitrate?
3. By using the same equation in #0, if 7.50 grams of sodium carbonate
reacts, how many moles of carbon dioxide are produced?
CO 2
4. Methane gas, CH4, burns in air to produce carbon dioxide and water.
What mass of water is produced by burning 500. grams of methane?
5. Hydrogen peroxide breaks down releasing oxygen gas and water. What
mass of oxygen is produced when 1.840 moles of hydrogen peroxide
decompose?
6. By using the same equation in #4, what mass of water is produced when
5.0 moles of oxygen is produced by this reaction?
7. Chlorine gas, water, and Manganese (II) chloride can be produced in the
lab by adding concentrated hydrochloric acid to Manganese (IV) oxide.
Calculate the mass of Manganese (IV) oxide needed to produce 25.0
grams of chlorine gas.
8. How many grams of potassium chloride are produced by decomposing
118 grams of potassium chlorate?
9. How many moles of potassium metal would be needed to react with
Fluorine gas to make 800 grams of potassium fluoride.
10. Magnesium burns in air to produce magnesium oxide. What mass of
magnesium will burn in the presence of 189 mL of oxygen? The density of
oxygen is 1.429 g/L.

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