Determine the percentage compo

Q: Illustrate the Law of Conservation of Mass in the following reaction that will produce 20 kg of I2:…

A: The law of conservation of mass states that mass in an isolated system is neither created nor…

Q: Reaction of hydrogen sulfide with oxygen produces water and sulfur dioxide. What would be the…

A: Chemical Reaction :-  H2S (g)  +  3O2 (g) ⇌ 2SO2 (g)  +  2H2O (g)  Given mass of sulphur dioxide =…

Q: Assuming one mole of compound, calculate the theoretical percentage composition of P₂O3. O P: 56.4%…

A:

Q: How many grams of sodium iodide, NaI, must be used to produce 56.2 g of iodine, I2?

A:

Q: What mass, in grams, of C2H2 is needed to form 210.4 g of CO2? Assume excess oxygen.    2C2H2(g) +…

A: Ans. 62.16 g C2H2 required to form 210

Q: CH4(g) + 2 O2ie) CO2(g) + 2 H2O(g) What mass of water is produced by the complete reaction of 10. g…

A: Given the balanced reaction, CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) mass of methane = 10. g

Q: Aluminum carbide (Al4C3) reacts with water to produce gaseous methane (CH4). Calculate the mass of…

A: Record the given data, Weight of aluminum carbide = 63.2 g The balanced equation for the reaction…

Q: Calculate the number of grams of Ca3(PO4)2 formed from 120.24g of Ca

A: The given reaction is,

Q: When the follow equation is balanced, what coefficient would fall before the formula "HI"? HI +…

A: The given reaction is, HI + H2SO4 → H2S + I2 + H2O.

Q: How may moles of Al2O3 would be produced from the complete reaction of 17 moles of Al in the…

A: We have to compare the stoichiometric coefficient of desired reactant and products to have a…

Q: Calculate the theoretical number of moles of sulfate that could be produced from 0.1 g of sulfur, if…

A: Given mass of sulphur = 0.1 g  Molar mass of sulphur = 32 g.mol-

Q: What is Angas for the following equation? N2O4 (g) =2 NO2 (g) 2 O -1 O -2 O 3 O 1

A: ∆ngas = gas product moles - gas reactant moles. Product moles = 2, Reactant moles = 1. Therefore…

Q: 12KOH + 6I2 -> 10KI + 2KIO3 + 6H2O   calculate the number of moles of KOH to produce potassium…

A: Given 12KOH + 6I2 -> 10KI + 2KIO3 + 6H2O calculate the number of moles of KOH to produce…

Q: 2. How many grams of oxygen gas must be reacted with excess sulfur dioxide to produce 87.1 g of SO;?…

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Q: 1. What is the mole ratio between carbon dioxide and water in the reaction below? Express your…

A: 1) combustion reaction is: 2C2H2(g) + 5O2....> 4CO2 + 2H2O  Here coeffiecient of  carbon dioxide…

Q: How many grams of water are produced by 1.0 moles of C3H8? C3H8 + 5 O2 → 3 CO2 + 4 H2O

A: 1.  Propane reacts with oxygen to forms carbon dioxide and water. The equation for the balanced…

Q: Assuming one mole of compound, calculate the theoretical percentage composition of SO3. [MM (S) =…

A: Percentage composition  of element is defined as how much percentage of that element is present in…

Q: How many grams of hydrogen is produced from 432 g chromium? 2Cr + 2H3PO4 ⟶ 3H2 + 2CrPO4

A:

Q: Determine the number of moles in 2.66 x 1022 formula units of potassium iodide.

A: 1 mol contains 6.022 × 1023 formula units  1 mol contains 6.022 × 1023 atoms

Q: What is the mole ratio of Hydrogen (H2) to Ammonia (NH3) in this balanced equation? N2(g) + 3H2(g)…

A: N2(g) + 3H2(g) -> 2NH3(g)

Q: Calculate the mass of 3.62 x 1024 molecules of Vitamin A which has a molar mass of 180g/mole. O 1.08…

A: Given,the number of molecules of vitamin A =3.62×1024 moleculesmolar mass of vitamin A =180 gmolwe…

Q: 1. How many moles of sulfur will you need to react with 1.42 moles of iron? Given the following…

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Q: Calculate the mass percent of 0.389 g of silicon (Si) that reacts with oxygen to form 0.832 g…

A: Given that:  Si = 0.389g and SiO2 = 0.832 g…

Q: . How many grams of NaCl are formed from 96 grams of AICI3?

A: Firstly calculate the no. of moles of aluminium chloride formed and then use the stoichiometric…

Q: Determine the number of moles in 8.73 x 1023 formula units of CaCl2.

A: We can used the equation for calculating the moles of given formula unit.  Equation is :  Number of…

Q: What is Angas for the following equation? 4 NH3 (g) + 3 O2 (g)=2 N2 (g) + 6 H,O (g) O 2 O 1 O 3 O -1…

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Q: What is the maximum amount (in grams) of sulfur dioxide that can be produced by the reaction of 440…

A: Given equation is, 2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g) Mass of H2S = 440 g Mass of O2 =1860 g…

Q: . Aluminum metal is produced by passing an electric current through a solution of aluminum oxide…

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Q: Which is the greatest mass of SO2 that can be produced from 15 mol of Cu2S? 480g O 961g O 1920g O…

A: Given Reaction,2 C42 S + 3O2 → 2 C42O + 2 SO2Moles of C42S = 15 molMass of SO2 produced = ?

Q: Q8

A: Sulphuric acid formula H2SO4 . sulphuric acid contains  Sulphur  hydrogen and oxygen  element.

Q: luminum carbide (Al4C3) reacts with water to produce methane (CH4). Calculate the mass of methane…

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Q: How many grams of N2F4 can theoretically be prepared from 4.00g of NH3 and 14.0g of F2? The chemical…

A:

Q: How many moles of tungsten can be produced from 2405 moles of hydrogen and excess WO3? WO3+3H2 = W…

A: Limiting reagent can be defined as a reagent which is completely used during a reaction while the…

Q: The Following information determine how much product can be produced form the giver quanities.…

A:

Q: How many moles of calcium sulfate are contained in 47.6g CASO,? O 0.350 O 2.86 O 1.85 O 0.540 O 7.90…

A: option A will be correct

Q: Calculate the percentage composition of Ca in CaSO4.

A: Molecular weight of CaSO4 = 136.14g/mol Molecular mass of calcium = 40.078g

Q: How many grams of H2 are needed to produce 11.02 g of NH3?

A: The balanced chemical equation for formation of ammonia is given by

Q: Assuming all gases are at the same temperature and pressure, how many of hydrogen iodide are…

A: We have to find the  mass of HI formed

Q: 3. How many grams of sodium metal will be produced from 140g of NaN3? O 49.5g O 215g 0 42g O 99E

A: • No. of moles=Gives massMolar mass• Mass = No. of moles × Molecular weight• Molar mass of NaN3 = 65…

Q: 12KOH + 6I2 -> 10KI + 2KIO3 + 6H2O calculate the number of moles of iodine (elemental) to produce…

A: We have to find out the number of Mole of I2 to formed 10 mole of KI

Q: How much oxygen (in grams) will form from 30.2 g of N2O5?    2N2O5(s)  →  4NO2(g) + O2(g)

A: The reaction given is 2 N2O5(s)  →  4 NO2(g) + O2(g) Given : mass of N2O5 reacting = 30.2 g

Q: Balance the following equation by filling the gaps with appropriate numbers. CSHB 02 H2O

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product…

Q: When the follow equation is balanced, what coefficient would fall before the formula "P4"? P4 + O2 →…

A: A chemical reaction will be a balanced chemical reaction if it contains an equal number of atoms on…

Q: Calculate the number of SS atoms in 0.700 molemole of SS.

A: Given information:It is assumed that S represents Sulfur. Mole of S is 0.700 mol.

Q: Calculate the mass of sodium chlorate that must decompose to form 6.5 g of oxygen. 2NACIO 3(s) →…

A:

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: Calculate the mass percent of H in C3H120.

A:

Q: If mass of SO2 is 24g , calculate: 1.1. the molar mass of SO2 The number of mole of SO2 The number…

A: Given.  Mass of SO2 = 24 g  Molar mass of SO2 = To be determined  Atomic wt. Of Sulphur = 32.065…

Q: Calculate the percent composition of oxygen in N2O4

A: The mass percent composition of Oxygen in N2O4 is given by

Q: How many grams of aluminum oxide (Al2O3) will be formed from 12.1 grams of oxygen (O2)

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".