Iron(II) sulfide reacts with hydrochloric acid according to the reaction FeS(s)+2HCl(aq)→FeCl2(aq)+H2S(s) A reaction mixture initially contains 0.228 mol FeS and 0.664 mol HCl. Once the reaction has reached completion, what amount (in moles) of the excess reactant is left? Express the answer in moles to three significant figures.

Q: A chemist plans to react 2.1 moles of aluminum with excess water according to the following…

A: Aluminium reacts with water to form aluminium hydroxide and hydrogen gas. The equation for the…

Q: Zinc and sodium metal each react with sulfuric acid according to the following equations.…

A: Since, Mass% of sodium = mass of sodiumtotal mass  x 100 Number of moles of sulphate = (2 x number…

Q: Of the following reaction, 6S.1 grams of silver nitrate are allowed to react with 25.7 grams of…

A: Given data is as follows: silver nitrate (aq) + copper chloride (s) → silver chloride (s) +…

Q: The balanced chemical equation for the reaction between calcium hydroxide and hydrochloric acid is:…

A: Balanced Chemical Reaction:  Ca(OH)2(aq) + 2HCl(aq) ----> CaCl2(aq) +   2H2O(l) Moles of HCl…

Q: 2 NaOH(aq) + CI2(g) --> NaCI (aq) + NaCIO (aq) + H20 (I) If you have 1.23 mol of NaOH in solution…

A: Given, moles of Cl2 = 1.47 moles Moles of NaOH = 1.23 moles

Q: As part of the Paracetamol synthesis lab, the students also had to perform the following calculation…

A:

Q: Aspirin can be prepared from salicylic acid (C7H6O3), which has a molar mass of 138.12 g/mol, and…

A:

Q: Consider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the…

A: As product formed in anhydrous (y=0) Thus reaction is   Ni(s) + NH3 +SO42-  =(NH4)2Ni(SO4)2  Thus…

Q: The equation for the reaction between sodium hydrogen carbonate and sulfuric acid at room…

A:

Q: One of the reactions that occurs in a blast furnace, in which iron ore is converted to cast iron, is…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Pure iron, Fe, can be produced from an ore called hematite, Fe, O,, by reaction with carbon at high…

A: Given Reaction: 2Fe2O3 + 3C ---------> 4Fe + 3 CO2  Mass of Iron= 17 tons To Calculate: Mass of…

Q: Consider the reaction: ZnO(s) + H20(1) - Zn(OH)2(aq) Given an initial mass of 19.85 g Zno, an excess…

A: The given reaction is, ZnO (s) + H2O (l) →  Zn(OH)2 (aq) Given that: mass of ZnO = 19.85 g To find…

Q: What is the mass (in kg) of 6.89 x 1025 molecules of CO2?  The molar mass of CO2is 44.01 g/mol.

A:

Q: Asprin (C9H8O4) is prepared by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). (a)…

A:

Q: When lead (II) nitrate reacts with sodium iodide, sodium nitrate and lead (II) iodide are formed.…

A:

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A: Given that, synthesis of ammonia using Haber bosch process as follows;     N2(g) + 3H2(g)   ---->…

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A: Formula For I question; Theoretical yield = Mass of H2Molar mass of H2 x 23 x Molar mass of NH3 For…

Q: Zinc and sodium metal each react with sulfuric acid according to the following equations.…

A: The barium chloride will react with sodium sulfate in the mixture to form barium sulfate. The…

Q: For the synthesis of boric acid; 7.94 g of anhydrous borax was taken and 15 mL of water was added…

A: Please find the attached images for answer

Q: If 10.0 mL of 2.50 M SrS(aq) is made to react with 25.0 mL of 1.50 M ZnSO4(aq), how many moles of…

A: Given data,Molarity of SrS=2.50MVolume of SrS=10.0mL=0.01LMolarity of ZnSO4=1.50MVolume of…

Q: The synthesis of maleic acid anhydride (C₄H₂O₃) can be accomplished by reacting benzene (C₆H₆) and…

A: 2 C₆H₆(l) + 9 O₂(g) → 2 C₄H₂O₃(s) + 4 CO₂(g) + 4 H₂O(g) According to the above equation, 9 moles of…

Q: A key step in balancing chemical equations is correctly identifyingthe formulas of the reactants and…

A: (a) The balanced chemical equation for this combination reaction, having correctly identified the…

Q: Consider the following chemical reaction. 3 Zn(C:H:O:):(aq) + 2 Na:PO:(aq) → 6 NaC:H:O:(aq) +…

A: Given: Mass (g) of zinc acetate = 20.5 g The given reaction shows that: 3 moles zinc acetate = 1…

Q: Hydrochloric acid can dissolve solid iron according to the following reaction.…

A: Stoichiometry, in balanced chemical reaction is defined by the ratio at which reactants are reacting…

Q: gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide.…

A: Given, 4HCl(aq) + MnO2(s) → MnCl2(aq) + 2H2O(l) + Cl2(g) mass of MnO2 react = 42.5 g mass of HCl…

Q: Elemental phosphorus reacts with chlorine gas according to the equation P4(s) + 6Cl2(g) --> 4PCl3…

A: The limiting reagent of a chemical reaction is the species which is totally consumed in the course…

Q: The synthesis of maleic acid anhydride (C4H203) can be accomplished by reacting benzene (C6H6) and…

A: The given reaction  for production of maleic acid anhydride is…

Q: Aspirin, CsH4(0COCH3)CO2H, is produced by the reaction of salicylic acid, C6H4 (OH)CO2H, and acetic…

A:

Q: Consider the following reaction for formation of nitric acid from the pollutant nitrogen dioxide…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Given: The given reaction is, Volume of sample of ground water = 200 mL Concentration of silver…

Q: Hydrobromic acid dissolves solid iron according to the following reaction:…

A: In order to solve this question, we will be using simple mole concepts and as per the reaction,…

Q: Lead ions can be precipitated from solution with KCl according to the following reaction:…

A: Given information:Mass of KCl = 28.6 gMass of lead ions (Pb2+) = 25.5 gMass of PbCl2 = 29.0 g

Q: In the recipe for mayonnaise, the phospholipids in the egg yolk act as emulsifiers. If you assume…

A: Given that : Weight of one egg yolk = 10 g 33% of egg yolk is fat, so, 33% of 10 g = 3.3 grams

Q: im confused on how to do this

A: The number of moles of HCl (n1) in 43.3 g HCl is calculated using equation (1) in which n is the…

Q: Many mining operations produce tailings that can be oxidized to form acids, including sulfuric acid.…

A:

Q: The sulfide ore of zinc (ZnS) is reduced to elemental zinc by “roasting” it (heating it in air) to…

A: Given, 3.30 kg pure Zn 5.32 kg ZnS

Q: You were given a 5-gram mixture of sand and salt (sodium chloride). What is the percentage of salt…

A:

Q: Iodine can be prepared by bubbling chlorine gas through an aqueous solution of sodium iodide:…

A: 2 moles of NaI produce 1 mole of I2Molar mass of sodium iodide (NaI) is 149.89 g/molMolar mass of…

Q: Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3)…

A: It is required to calculate the maximum mass of aspirin produced by the reaction of 104 g of…

Q: Use the equation 6KI (aq) +8HNO3 (ac) → 6KNO3 (aq) + 2NO + 312 (s) + 4H20 m- If 21.38 mL of 0.787 M…

A:

Q: Determine the mass, in grams, of precipitate formed from the reaction of 3.14 moles of XNO3 with…

A: Given reaction:- X N O 3 ( a q ) + N a 2 S ( a q ) → X 2 S ( s ) + N a N O 3 ( a q ) 3.14 moles of…

Q: Consider the reaction: 2Sb(s) + 312(s) → 2Sbl3(s). Determine the limiting reactant and the…

A: First of all we will calculate moles of SB and I2. Limiting reagent is that substance which is…

Q: Zinc and sodium metal each react with sulfuric acid according to the following equations. Zn(s) + H,…

A:

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A:

Q: Hydrobromic acid dissolves solid iron according to the following reaction:…

A:

Q: Phosphoric acid, a mild acid used among other things as a rust inhibitor, food additive, and etching…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: In this first amount of tin(II) chloride is determined with the help of balanced reaction then…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with…

A:

Q: Consider the Haber-Bosch process for the synthesis of ammonia from its elements. Calculate the…

A:

Q: Milk of magnesia, Mg(OH)2, is prepared from magnesium sulfate and sodium hydroxide. If a solution…

A:

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".