Copper(I) iodide (CuI) is often added to table salt as a dietary source of iodine. How many moles of CuI are contained in 1.00 lb (454 g) of table salt containing 0.0100% CuI by mass?

Q: A fertilizer is advertised as containing 14.0% nitrogen(by mass). How much nitrogen is there in…

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Q: A leak in the air conditioning system of an older car releases55 g of CF2Cl2 per month. How much Cl…

A: The given data contains, mass of CF2Cl2 = 55 g.

Q: 2. How many grams of NH3 will be produced from 25.7 moles N2?

A: NH3 is produced from N2 and H2 by haber's process. As shown, this reaction is showing that 2 moles…

Q: Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution…

A: Given reaction is

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO What mass, in grams, of MgO…

A: number of moles=Given massmolar massGiven mass of Mg=1.89 gmolar mass of Mg=24.3 g/mol∴Number of…

Q: The active ingredient in Tum is calcium carbonate. a). What is the chemical formula of calcium…

A: A.Chemical formula of calcium carbonate is CaCO3. B. Molar mass of calcium carbonate is 100g/mol.…

Q: how Many moles are they

A: Given :- mass of CO2 =1100 g  To calculate :- number of moles of CO2

Q: What mass, in grams, of sodium carbonate is required for complete reaction wit 8.35g of nitric acid…

A: In Balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: What is the mass of lime, CaO, can be obtained by heating 125 kg of limestone that is 95% by mass…

A: Given, mass of limestone = 125 kg            mass percent of CaCO3 in limestone = 95% Now, moles of…

Q: Determine the percentage compo

A: % element = n x atomic mass molecular mass of compound x 100     where     element = Oxygen…

Q: Hydrogen peroxide ( H 2 O 2 ) decomposes to produce water and oxygen.Write a balanced chemical…

A: BALANCED EQUATION IS BELOW :

Q: Mass of empty beaker + watch glass: 154.00g Mass of beaker and hydrate (before heating): 155.58g…

A: Hydrated salts are those which contain water of hydration associated with it. When the water of…

Q: Caffeine, a stimulant in coffee and tea, a molar mass of 194.19 g/mol and a mass percentage…

A: Given,

Q: 1 Bao + 1 H50, → 1 Bas0, + 1 H,0 3. (a) What mass of BaSO, can be formed from 196.0 g of H,SO,?

A: Use the stoichiometric calculations as shown below:

Q: (a) What is the chemical formula of eugenol, the main contri butor to the aroma of cloves? (b)…

A: a) We have to find chemical formula of eugenol, the main contributor to the aroma of cloves.…

Q: I Water, ammonia and sulphur dioxide react together to form a compound A which has the following…

A: Given: The percentage composition by mass of N, H, S and O in compound A is 24.12%, 6.94%, 27.61%…

Q: - Use dimensional analysis to convert 1.75 mol Mg3(PO4)2 to grams of Mg3(PO4)2-

A: Convertion of moles into mass by using below relation Number of moles = mass of compound/ molecular…

Q: You weigh a sample of 2.0moles of a substance to be 7.1 kg. Why is an answer of 3.55kg/mol…

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Q: 27. Consider the following reaction: 4V + 302 → 2V2O3 How many grams of O2 are needed to react with…

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Q: What's the percentage by mass of Cl in MgCl2 if it  is 24.6% Mg by mass?

A: Intrdouction : %age by mass of Mg = 24.6%

Q: What is the percent (by mass) water CaSO4.2H22O?

A: Here, we have calculate % by mass of H2O in CaSO4.2H2O.

Q: How many molecules are contained in a 325-mg tablet of aspirin (C 9H 8O 4, molar mass 180.2 g/mol)?

A: Aspirin is an antipyretic and anti-inflammatory drug and is widely used as an antiplatelet agent. It…

Q: The chemical formula for feldspar is K₂Al₂Si₆O₁₆. How many moles of feldspar are in 100.1 grams?

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Q: before 1959, oxygen was popularly used to define the unit of mol. in 1967, the international…

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Q: Consider the chemical reaction N2 + 3H2 = 2NH3    If one begins with 0.25 mole N2  and excess…

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Q: If 27.0 g of iron nail was used to react with oxygen gas (O2). Calculate the mass of ferric oxide…

A: Iron nails react with oxygen to form ferric oxide. According to the balanced equation, 4 moles react…

Q: A florist prepares a solution of nitrogen-phosphorus fertil-izer by dissolving 5.66 g of NH₄NO₃ and…

A: Given: Mass of NH4NO3 = 5.66 g Mass of (NH4)3PO4 = 4.42 g And volume of final solution = 20.0 L

Q: How many moles of H2 can be formed if a 2.78 g sample of Mg reacts with excess HC1?

A:

Q: What mass of N2S4is formed when 10.00 g of N2 is heated with 20.0 g S8?

A: Given,Mass of N2 = 10.00 gMass of S8 = 20.0 gThe moles of N2 and S8 can be calculated as:

Q: An experiment requires that enough PNCl2 be used to yield 10.3 g of chlorine. How much PNCl2 must be…

A: Answer: 16.84 g

Q: An aqueous solution is to be prepared that will be 3.87% by mass ammonium nitrate. What mass of…

A: Given :  Mass percent of ammonium nitrate = 3.87% Mass of solution = 1.23 kg To find  Mass = g…

Q: How many grams of aluminum sulfide are formed if 22.00g of aluminum reacts with sulfur in a…

A: Mass of Al = 22 g Mass of Al2S3 = ?

Q: A solution of H2SO4 contains 65% w/w of the acid, and has a density of 1.55 g/mL. How many molecules…

A: Answer:- This question is answered by using the simple concept of calculation of number of molecules…

Q: What mass of NH3 is produced from 12 grams of H2? 5. What mass of H2 is needed to react with 112 g…

A:

Q: Use the following data and steps below to calculate the formula of the copper chloride hydrate.…

A: Since you have posted a question with multiple sub-parts , we will solve first three subparts for…

Q: How many moles of sucrose, C12H22O11, are in a 25-g sample of sucrose?

A: The atomic mass of , C = 12                                    H = 1…

Q: Calcium sulfateis a white crystalline powder. Gypsum is a mineral, or natural substance, it is a…

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Q: 05 A sample of limestone (containing calcium carbonate, CaCO3) weighing 438 mg is treated with…

A:

Q: A sample is found to contain 66.8 % NaHCO, by mass. What is the mass of NaHCO, in 4.25 g of the…

A: Mass by mass percentage (w/w) When mass of solute in a solution is expressed in grams of solute in…

Q: The density of phosphoric acid (H3PO4) is 1.885 g/cm². How many moles are present in 0.245 L of…

A: NOTE : The units of density will be g/cm3 and not g/cm2. Given : Density of H3PO4 = 1.885 g/cm3 =…

Q: The chemical formula for feldspar is K₂Al₂Si₆O₁₆. How many moles of feldspar are in 990.5 grams?

A: First, calculate the molar mass of K₂Al₂Si₆O₁₆.  Molar mass = 2×(molar mass of K) + 2×(Molar mass of…

Q: In an experiment, 34.8243g of copper (II) nitrate hydrate, Cu(NO3)2•zH2O was heated to a constant…

A: Given, mass of copper (II) nitrate hydrate is 34.8243g and when heated the mass is 27.0351g.  The…

Q: asolim and water (H,O). What mass of water is produced by the reaction of 7.74 g of octane?

A: The balanced equation for the combustion of octane is,                                    2 C8H18+25…

Q: b. How many grams of copper(i) sulfide could be produced from 28.0 g of copper(1) chloride reacting…

A: Given :- mass of copper(I)chloride reacting with excess hydrogen sulfide = 28.0 g  To calculate :-…

Q: What mass of CCI4 is formed by the reaction of 5.14 g of methane (CH4) with an excess of chlorine?

A: Given :- mass of CH4 = 5.14 g  To calculate :- mass of CCl4 produced  Molar mass of CCl4  is 153.82…

Q: Phosgene, a substance used in poisonous gas warfare during World War I, is so named because it was…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: How many moles of iron(III) oxide can be produced from the reaction of 10.980 moles of iron reacting…

A: Given: Moles of Fe = 10.980 moles

Q: 8.6 x 10²³ formula units of NaCl is equal to how many moles H?

A: Applying mole concept and avogadro number.

Q: 1)_CsHs +, _02 > _CO2 +_H20 6.003g of oxygen, makes how many moles of water?

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".