a 3.608 mg sample of B reacts with Cl2 to form 39.111 mg of product. determine the empirical formula of the product

Q: 1. How many grams of solid will remain from the decomposition of 9.65 x 10 22 molecules of ferric…

A:

Q: Consider the reaction of 184.5 grams of lead (V) oxide with 117.8 grams of carbon monoxide to…

A: The given reaction occurs as follows: PbO2     + 2CO    →        Pb    +   2CO2 1 mol       2 mol…

Q: 2.Iron ore is impure Fe2O3. When Fe2O3 is heated with an excess of carbon (coke), metallic iron and…

A: Weight of sample = 938kg = 938000g Pure iron in sample = 523kg Assuming that impurities donot…

Q: How many grams of magnesium oxide can be produced by reacting 0.248 g magnesium that is 97.5% pure…

A: Given mass of Magnesium = 0.248g% purity of Magnesium = 97.5%No.of molecules of oxygen = 5.36 x…

Q: 31. How many moles of potassium bromide can be produced from the reaction of 2.92 moles of potassium…

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Q: Barium metal was quantitatively precipitated from a 1.52 g sample of BaCl2-2H2O. The mass of the…

A: Given: Mass of the sample BaCl2.2H2O =1.52g Mass of Barium collected = 0.844g

Q: A sealed chamber contains 7.50 g CH4 and 14.5 g O2. The mixture is ignited producing CO2 and H2O.…

A: According to the balanced chemical reaction shown as follows:

Q: 4. A sample containing 58.51 g manganese (Mn) is treated with an excess of sulfuric acid (H2SO4)…

A:

Q: chemist needs to produce 100 grams of gallium chloride, when gallium reacts with hydrochloric acid…

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Q: The percent yield for the reaction PCl3 + Cl2  -> PCl5 is 77.5%.  What mass of PCl5 is expected from…

A:

Q: A 1.500 g sample of a mixture containing only Cu,O and CuO was treated with EXAMPLE B: hydrogen to…

A: Mass of mixture (Cu2O + CuO) = 1.5 gm Pure copper mass = 1.2244 gm The reaction of mixture with…

Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCl. What…

A: Given: Total mass of alloy = 12.3 g. And moles of H2 produced = 1.66 mol. Assuming that there are…

Q: sample containing 58.51g manganese (Mn

A: We have to calculate the actual yield

Q: The percent yield for the reaction PCl3 + Cl2 → PCl5 is 67.7 percent. What mass of PCl5 would be…

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Q: Table 1: Gas Collection Data for Mg and HCI Reaction Mass Mg (g) 0.040 g Volume HCl (mL) 10.00 mL…

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Q: rock is to precipitate the phosphorus as MgNH4PO4, which is then heated to tum it into Mg2P2O7. What…

A:

Q: Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric…

A: Given: Mass of Aluminum = 25 g

Q: How many grams of NH3 would be produced by the reaction of 12.0 g of H2?          N2(g)      +…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: 2. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric…

A: The number of moles is determined by taking the ratio of mass to the molar mass of the substance and…

Q: One way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as…

A: Given the mass of the rock sample = 2.832 g Percent of Ca3(PO4)2 = 86.52% => mass of Ca3(PO4)2 in…

Q: What is the percent by mass of KClO3 in the original mixture

A:

Q: Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and…

A: Percentage yield is the ratio of actual yield by theoretical yield.

Q: Potassium chlorate (KClO3) decomposes to KCl and O2. Determine the mass of O2 obtained from the…

A:

Q: A 12.3 g sample of an alloy of Mg and Al produces 1.66 mol of H2 when added to excess HCl. What…

A:

Q: Combustion of a hydrocarbon in a limited supply of air produces CO in addition to CO2 and H2O. When…

A: Combustion of hydrocarbons in presence of oxygen proudces water and carbon dioxide. If the  oxygen…

Q: Potassium chloride is used as a substitute for sodium chloride for individuals with high blood…

A: The reactant that is completely consumed in a chemical reaction is called a limiting reactant.  The…

Q: A piece of aluminum foil 1.00 cm square and 0.570 mm thick is allowed to react with bromine to form…

A: Using the given area and thickness, find the volume of aluminum foil.

Q: Upon combustion, a 0.8009 gg sample of a compound containing only carbon, hydrogen, and oxygen…

A: Given data: CxHyOz →CO2+H2O  Mass of sample = 0.8009 g  Mass of CO2 = 1.6004 g  Mass of H2O = 0.6551…

Q: Suppose a student starts with 2.4464 g of a sand mixture and separates the components into 1.3012 g…

A: According to the question, we had a sand mixture consisting of NaClNaCl, CaCO3CaCOX3, and SiO2SiOX2.…

Q: 7) Define stoichiometry. A) the concept that 6.02 x 1023 atoms are in 1 mole of an element B) the…

A: A) the concept that 6.02 X 1023 atoms are in 1 mole of an element is known as Avogadro's concept…

Q: 1.13 g H₂ is allowed to react with 10.3 g N₂, producing 2.13 g NH3.  What is the theoretical yield…

A:

Q: A 1.038 g sample of unknown containing C, H, and O yielded 2.48 g of CO2 and 0.510 g of H2O during…

A: The empirical formula of a chemical compound is the simplest whole number ratio of atoms present in…

Q: sample of a plant alkaloid, containing ONLY carbon, nitrogen and hydrogen, is combusted in air to…

A: Compound contains carbon, nitrogen and hydrogen.  Mass of CO2 produced = 210.6g  Mass of H2O…

Q: A 2.69 gram sample of a KCl and KClO3 mixture was found to contain 0.01268 mol of KClO3. What is the…

A: It is a problem based on general chemistry. Here we will find the percent of KClO3 in the mixture by…

Q: A sample containing 58.51 g manganese (Mn) is treated with an excess of sulfuric acid (H2SO4) to…

A:

Q: 25.0 grams of Iron(III) nitrate are reacted with 25.0 g Sodium sulfide to produce Iron(III) sulfide…

A: In the given question we have to calculate the actual yield of the compound precipitated.

Q: What mass of carbon dioxide is produced from the complete combustion of 2.40x10^-3 g of methane

A: Given Data:    Mass of carbon dioxide CO2 produced from the complete combustion of 2.40 x 10-3 g of…