The mineral galena is composed of lead(II) sulfide and hasan average density of 7.46 g/cm³. (a) How many moles oflead(II) sulfide are in 1.00 ft³of galena? (b) How many leadatoms are in 1.00 dm³of galena?

Q: A common laboratøry preparation of ørygen gas is the thermal decomposition of potassium chlorate…

A: Given :-  KClO3 → KCl + O2  Mass of KClO3 = 28.57 g  To calculate :-  Mass of O2 (in g)

Q: Given the reachion represented by C Hy)+32 (5)る州)+ CHy Cs) the balanced equation Calculate te number…

A: To get the amount of product formed, 1) Write the balanced chemical equation. 2) Consider the number…

Q: Asppt-of AgcttAgBrlulwerghs s0.8132 gon heating in a aurrent of Cl2, the AgBnNis converted to Agcl,…

A: Given, Mass of AgCl + AgBr = 0.8132 g  Mass loses, when AgBr react with Cl2 = 0.1450 g  Percentage…

Q: When 13.54 g of O2 is mixed with 12.21 g of Fe, how many moles of Fe3O4 forms?

A: 3 Fe(s)  + 2O2(g)  →Fe3 O4(s)given :Mass of Fe = 12.21 gMass of O2 = 13.54 gTo calculate : No of…

Q: The baknced reachion is Na, so, + Ba (NO,), Ba(NOs), Ba so, + a NaNo, tor Imole of Na,5o̟ and Ba…

A: Moles of sodium sulfate = 0.704 mol Moles of barium nitrate = 0.191 mol Limiting reagent: Barium…

Q: Acetylene (C,H,) can be manufactured by the reaction of water and calcium carbide, CaC: CaC (s) + 2…

A: Given: mass of commercial grade calcium carbide = 44.5 g moles of C2H2 produced = 0.540 mol

Q: Tecept.n part So le or, I 0 mole of no. BY mole of CO O, la or 2 mole of O of KACO I mole of at Qr…

A: The compound with higher entropy in each pair has to be given.

Q: 4.17 Phosgene is a highly toxic gas that has been used as a chem- ical weapon at times in the past.…

A:

Q: A 13.2010g sample of hydrated zinc sulfate, ZnSO4 • xH2O), was strongly heated until no further…

A: For the reaction., ZnSO4 • xH2O ----> ZnSO4 + xH2O  Given Mass of ZnSO4 • xH2O = 13.2010 g Mass…

Q: A sample of nickel ore, which has nickel as the only metal present, is treated with an excessnof…

A: a) Please find below the balanced reaction Ni + H2SO4 ----> NiSO4 + H2

Q: Set up the mole ratio of CO2to O2.

A: For the general case, the atmospheric pressure is 1.00 atm and temperature 298.15 K, the volume of 1…

Q: How many ng of hydrogen are in 36.9  pg of strontium phosphide pentahydrate?

A:

Q: See picture below

A: The balanced reaction is given below.

Q: What is the Molarity of CaCO3 if it's mass is 50.27g?

A: Calcium carbonate is a chemical compound with the formula CaCO3 . It's a common substance found in…

Q: The subscripts in a chemical formula give relationshipsbetween moles of the constituent elements and…

A: Given statement: "The subscripts in a chemical formula give relationships between moles of the…

Q: tind the number of moles of the Combustion products of propaine if the abundan ce is o.85

A: A numerical problem based on mole concept, which is to be accomplished.

Q: In certain reaction Fe and O2 combine to form irom(III) oxide. 10.7 mole of Fe and 10.4 mole of O2…

A: Balanced chemical equation: 4Fe(s) + 3O2(g) ------> 2Fe2O3 This shows 4 moles of Fe reacts with 3…

Q: How many moles of H2SO4 are there in 191 mL of a stock solution that reads 0.601M ?

A: Interpretation -  To determine the number of mole of  H2SO4 are there in 191 mL of a stock solution…

Q: If you added 231.9 grams of HF to an excess of Mg(OH),, how many moles of HF have you added?

A:

Q: Copper(I) iodide (CuI) is often added to table salt as a dietary source of iodine. How many moles of…

A: The mixture containing 0.0100% CuI by mass indicates the 0.0100g of CuI is added to 99.9g of table…

Q: Given 90g of pure Fe2O3 calculate how many moles of iron(iii) oxide it contains

A: Given :- mass of Fe2O3 = 90 g  To be calculated :- number of moles of Fe2O3    number of moles =…

Q: What is the limiting reactant and what is the maximum mass of xenon produced give 1015 grams of YeF…

A: 2  PF3          +         XeF4     -->      2…

Q: What is the molarity of a solution prepared by dissolving 37 mol KMNO4 in enough water to make 903 L…

A: Dear student I have given answer to your question in the image format.

Q: is –2.32 °C, then what is the molar mass of the solute (in g/mole)?

A: If the freezing point of an aqueous solution containing 7.162 g of solute dissolved in 72.297 g…

Q: A cereal contains 11.0 grams of sucrose (C„H0,) per 60.0 grams of cereal 22 How many grams of cereal…

A:

Q: If the theoreticl yield for a reaction is 118mg and the actual yield was 99.3mg what was the percent…

A:

Q: How many grams of caffeine (CgHyON&O2) are present in 0.04821 mol of caffeine?

A: A mole is a ratio of a given weight to the molecular mass of a substance. Grams are used to measure…

Q: A hydrated magnesium salt, MgSO4 • × H2O, was heated until all the water of hydration was lost. If a…

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: What is the percent by mass of iron (Fe) in FeCO3?

A: Molar Mass of FeCO3 = 115.85 g/mol Weight of 1 Fe atom =55.85 Weight of 1 C atom = 12 Weight of 3 O…

Q: Nitrogen (N), phosphorus (P), and potassium (K) are themain nutrients in plant fertilizers. By…

A: It is given that N/P/K ratio needs to be calculated and we are provided by the N/P2O5/K2O, mass…

Q: A 0.652-g sample of a pure strontium halide reacts with ex-cess sulfuric acid, and the solid…

A: Given information,     Mass of strontium halide = 0.652 g     Mass of strontium sulfate = 0.755 g

Q: How many grams of barium sulfate are produced if 25.34mL of o.113M BaCl, completely react given the…

A: Balanced Equation BaCl2 (aq) + Na2SO4(aq) → BaSO4 (s) + 2NaCl (aq) From above, clearly 1 mol BaCl2…

Q: Which of the following measures of quantity does the material balance equation NOT apply to: OA. a)…

A:

Q: A 161 g sample of MnCl₂·nH₂O yields 112 g of the anhydrous compound after heating. Determine n in…

A: A 161 g sample of MnCl2.nH2O yields 112 g of anhydrous compound after heating. We have to determine…

Q: How many moles of Ag can be obtained from 1.01 moles Cu using the following balanced reaction? Use…

A: Balanced reaction :  2AgNO3 + Cu .....> Cu(NO3)2  + 2Ag  Moles of Cu = 1.01 moles

Q: CGH6 reacts with Bra to produce C6HGRR and HBr. If 30.0 g of C6HG Teacts with 65 g of Bra and…

A: Reaction of C6H6 with Br2  C6H6 + Br2 ......> C6H5Br + HBr Mass of C6H6 = 30.0g  Mass of Br2 =…

Q: What is the ratio of A/B where A, B, C, and D are the coefficients in the balanced equation?

A: Balanced equation is the equation in which equal number of atoms of every element is present on both…

Q: What is the mass percent of ethanol (CHCHOH) if 0.0793 moles of ethanol is added to 0.264 kg of…

A: The mass percent of a component present in the mixture is given by equation (1), in which, mc…

Q: The following diagram represents a high-temperaturereaction between CH4 and H2O. Based on this…

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

Q: quantity in moles of Ag that one in 35.3 gm of Ag₂0 - 01x01p-s Determine

A:

Q: C3ttg+50273C0O2+4H20 Howmany mole s of water will be produced by the complete combusior of 0.5 moles…

A:

Q: umber of moles of NaNog in 5or LaNoz Sotution is. O 0,025 mole 0,25 mole mole

A: Normality is number of gm equivalent present in 1000ml of solution nfactor for salt is the charge of…

Q: Caleulate the molar mass of a compound if0 J66 mole of it has a ma of 4150 mol

A:

Q: how many moles of CO2 would be produced from 7.123 moles of O2according to 2C2H6+7O2=4CO2+6H2O

A:

Q: ( avestion) J - What mass 15.0 of NH3 of №₂ and 12.5g of H₂ is produced ??? are reacted,

A:

Q: (17d) How many grams of C12H4CI6 are reacted when 100.25 g CO2 are produced? ide units

A: As per our guidelines,we are supposed to answer one question.Kindly repost other question as next…

Q: If Avogadro’s number of pennies is divided equally amongthe 321 million men, women, and children in…

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".