A student performs the following lead extraction to test the stoichiometric method and to determine the efficiency of the reaction. In the reaction 49.5 g of lead(II) nitrate is reacted with excess zinc in a single displacement reaction. a. Calculate the theoretical yield of lead in the experiment. b. After separating the lead by filtration and allowing it to dry, the student obtains 19.8 g of lead. What is the percent yield of the experiment?

Q: 2. Write the chemical equation for the reaction that occurs when aqueous solutions of calcium…

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Q: In the following diagram, blue spheres represent the element A and yellow represent the element

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Q: a. What equation should the students use to calculate the percent yield?  b. Calculate the percent…

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Q: 5.21 g of aqueous calcium chloride reacts with 4.95 g of aqueous sodium sulfate to produce a…

A: The first step in solving this problem is to write the balanced chemical equation for the reaction.…

Q: g H2 is allowed to react with 9.89 gg N2, producing 1.84 g NH3. a) What is the theoretical yield in…

A:

Q: A sample of 1.52g of solid aluminum reacts with 3.55g of aqueous hydrochloric acid to form aqueous…

A: Given mass of Al = 1.52 g Mass of HCl = 3.55 g Molar mass of Al = 26.98 g/mol Molar mass of HCl =…

Q: 1.19 g H₂ is allowed to react with 9.63 g N₂, producing 1.04 g NH3.

A: The reaction can be written as follows:The given mass of = 1.19 gThe given mass of  = 9.63 gThe…

Q: work shown no credit! 1. Disulfur dichloride can be made by treating molten sulfur (S8) with gaseous…

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Q: A 0.4230 g sample of impure sodium nitrate (contains sodium nitrate plus inert ingredients) was…

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Q: Aluminum carbide reacts with water to form aluminum hydroxide and methane. If 3.30 g of aluminum…

A: The mass of aluminum carbide = 3.30 gThe mass of water = 3.60 gThe mass of excess reagent left =?…

Q: The limiting reagent for a given reaction can be recognized

A: Reactant that forms less amount of the product is considered as  the limiting reagent whereas the…

Q: 1.07 g H₂ is allowed to react with 9.94 g N2, producing 1.14 g NH3. Part A What is the theoretical…

A: Given -> Weight of H2 = 1.07 gm  Weight of N2 = 9.94 gm  Weight of NH3 = 1.14 gm

Q: A 0.256 g piece of solid magnesium reacts with gaseous oxygen from the atmosphere to form solid…

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Q: For this reaction, 7.57 g carbon (graphite) reacts with 11.2 g oxygen gas. carbon (graphite) (s) +…

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Q: 1.67 g H₂ is allowed to react with 9.63 g N₂, producing 2.31 g NH3. Part A What is the theoretical…

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Q: A major component of gasoline is octane (C&H18). When liquid octane is burned in air it reacts with…

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Q: Aluminum nitrate reacts with sodium hydroxide according to the equation below. When 16.55 grams of…

A: Limiting reagent is the reactant that limits the chemical reaction and determines the amount of the…

Q: In the reaction of silver (I) nitrate and calcium iodide, which forms silver (1) iodide and calcium…

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Q: Calculate the theoretical yield. Which of the reactants run out first?

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Q: 5. A container containing 30.0 g of propane, C,Hg, is burned with 75.0 g of oxygen. a. Outline the…

A: Propane is burned in oxygen to give CO2  and H2O it is also known as combustion reaction of propane.…

Q: 14.7g of precipitate. A lab technician collects 12.1g of precipitate.  What is the percent yield ?

A: Percent yield is the ratio of actual yield to the theoritical yield.

Q: a. For the following unbalanced equation, calculate how many grams of each product would be produced…

A: a) Mass of hydrogen reacted = 6.50 g  “Since you have posted multiple questions, we will provide the…

Q: the percient yield for a difficult reaction to be studied was likely to be only 23% of the…

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Q: 11. A copper ore consisting of 12.5% copper(II) sulfide, when heated and reacted with oxygen gas,…

A: Given data is copper(II) sulfide in th copper ore = 12.5%  when this is  heated and reacted with…

Q: A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

A: Given : mass of carbon dioxide produced = 0.711 g

Q: A student uses 0.40 mL of bromobenzene and 0.052 g of elemental magnesium for their Unit 6…

A: Answer is explained below.

Q: Suppose you were to perform a similar experiment using hydrochloric acid instead of sulfuric acid.…

A: Given: mass of sodium carbonate i.e. Na2CO3 = 3.000 g Concentration of HCl = 4.00 M And volume of…

Q: Determine the number of molecules of product in the following reaction if . 8.56 x 1023 molecules of…

A: Given,number of molecules of (KClO3) = 8.56*1023 moleculespotassium chlorate( KClO3) decompose to…

Q: 26. A reaction vessel for synthesizing ammonia by reacting nitrogen and hydrogen is charged with…

A: 26. 28.0 Kg of ammonia, NH3 is synthesized by the reaction of 6.04 Kg of H2 and excess N2 .We have…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".