8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 128. g/mol, is burned completely in excess oxygen, and the mass of the products carefully measured: product mass carbon dioxide 29.22 g water 4.79 g Use this information to find the molecular formula of X.

Q: How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 14.34 grams…

A: Using mole concept easily determines how much moles of  reactant are used and how much moles of…

Q: A 12.39g sample of phosphorous reacts with 42.54g of chlorine gas to form only phosphorous…

A:

Q: Question is attached

A: Given data contains, Mass of nitrogen=16.9g Mass of hydrogen=16.9g Molar mass of nitrogen=28g/mol…

Q: 7. Using the laboratory data table below, calculate the number of water molecules (X) in a hydrate…

A: Given: Mass of clean, dry test tube is 18.42 g Mass of test tube and hydrated barium chloride is…

Q: 8. A sample of a compound contains 15.60 g Mg and 10.27 g O. How many g Mg are in another sample of…

A: In the sample of magnesium oxide the amount of magnesium and oxygen is as follows: Mass of Mg =…

Q: 10. Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and…

A: Given,  The sample shows 24.3% of carbon and 4.1% of hydrogen. The molar mass of the sample is 99…

Q: Caproic acid, which is responsible for the foul odor of dirty socks, is composed of C, H and O…

A: Given,0.450g sample produces 1.024 g of CO2  and 0.418 g of water.

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given that, 4.0 g of a compound X is made of carbon, hydrogen and perhaps oxygen. The molecular…

Q: A sample of trifluoroacetic acid, C,HF,O2, contains 72.1 g of fluorine. Calculate the mass of the…

A: 1- First calculate the moles of fluorine atoms :  We know that,  moles of F = ( mass / molar atomic…

Q: Aluminum reacts with oxygen according to the following reaction: 4Al(s) + 3O2 (g) ĺ 2Al2O3 (s) If 24…

A: Determine the limiting reagent by dividing the number of moles of the reactants with their…

Q: 1. Consider the given for nos. 1 to 4: 6 Li(s) + N2(g) →2 LiŞN(s) Determine: _1) the mass of N2…

A: Hello. Since the question contains multiple subparts, the first three subparts are solved. In case…

Q: completely in excess oxygen, and the mass of the products carefully measured: product mass carbon…

A: Explanation given as follows

Q: In one process, 124 g of Al reacts with 601 g of Fe2O3, what is the mass of Al2O3 formed? 2Al +…

A: The given reaction is  2Al + Fe2O3=Al2O3 + 2Fe Moles of Al =124/27 =4.6moles Moles of Fe2O3 =601/160…

Q: 2.915 g of a biochemical substance containing only carbon, hydrogen, and oxygen was burned in an…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

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

A:

Q: According to the following reaction, how many grams of mercury(II) oxide are needed to form 24.9…

A: According to Bartlby guidelines I solve only first question. You post other questions separately.

Q: 0 g of a pure hydrocarbon was combusted in oxygen. The reaction was a complete combustion.  This…

A: Hydrocarbons are the compounds of carbon and hydrogen only. On combustion, hydrocarbons produce…

Q: A 2.86 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: Given, mass of 2.86 g sample of a compound produced 1.61 g CO2 and 0.989 g H2O.Moles of CO2 and H2O…

Q: When the substance shown below burns in oxygen, the products are carbon dioxide and water. How many…

A:

Q: Aluminum nitrite and ammonium chloride react to form aluminum chloride, nitrogen, and water. What…

A:

Q: he Freons are a class of compounds containing carbon, chlorine, and fluorine. While they have many…

A: HFC-134a  is CH2FCF3 HCFC-124 is CHClFCF3

Q: the atomic weight of magnesium is 24.3 g/mol, calculate how many magnesium atoms does 5g represent?

A: Mass of Mg = 5 g Atomic weight of Mg = 24.3 g/mol

Q: Epsom salts is a hydrated ionic compound with the following formula: MgSO4.xH2O. A 4.93-g sample of…

A: Calculate the mass of water evaporated, Calculate moles of magnesium sulfate and water,

Q: 13. Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and…

A: When two or more atoms combine with each other, they will form molecule and those molecules has…

Q: Calculate the mass of water former by the complete reaction of 96.1 g of propane with oxygen

A:

Q: 3 g of a hydrated metal chromate is heated only 1.479 g of anhydrous metal chromate remains.  What…

A: Some salts are found in their hydrated form. In hydrated form, water is coordinated with the salts.…

Q: How many grams of iron, molar mass 55.85 g/mol, will be consumed during the formation of 13.71 grams…

A:

Q: A sample of manganes reacts completely with oxygen in a specialized crucible. The reaction is given…

A: Given reaction: To find: The charge on manganese. Balanced chemical equation.

Q: The number of atoms of oxygen in a 0.01800-g sample of O3(g) is equal to the number of molecules in…

A: Given in the question : Mass of O3 = 0.018 g Mass of other hydrocarbon sample CxH6 = 0.06085 g Given…

Q: O Hydrated magnesium phosphate has the formula Mg,(PO.),-yH,O. A sample of this compound contains…

A:

Q: What mass of calcium chloride is produced when chlorine reacts with 0.92 g of calcium iodide?

A:

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A:

Q: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl.  Another sample of…

A: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of the…

Q: An oxide of gold thermally decomposes. A. 0.204 g sample of oxide is heated, forming 0.182 g of…

A:

Q: Suppose 2.43 g of magnesium is reacted with 3.20 g of oxygen: 2Mg + O2 → 2MgO. How many grams of MgO…

A:

Q: What is the molar mass of rhodium (III) chromate?

A: We need to calculate the molar mass of Rhodium (III) chromate.

Q: 9.2 An unknown salt is found to contain 30,6% of water. The formula mass for anhydrous salt (AS) is…

A: Anhydrous Salt + Water --> Hydrated Salt   Hydrated Salt contains  30.6 % water The formula mass…

Q: 8.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given :  Mass of compound = 8.00 g  Molar mass of X = 138. g/mol  Mass of CO2 formed = 17.86 g  Mass…

Q: 4.33 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: EMPIRICAL FORMULA= C5H11O2NS

Q: What mass of aluminum oxide can be produced from 100.0 g of aluminum given the reaction:  4Al (s) +…

A: By using mole-mole analysis in balanced reaction mass of Al2O3 can be calculated.

Q: Upon burning Mg in air, magnesium oxide and magnesium nitride are formed. The correct statement…

A: The question is based on the concept of experimental chemistry . We have to identify the correct…

Q: How many grams of hydrogen gas are formed by the reaction of 3.457 g of aluminum with nitric acid?…

A:

Q: How many grams of Cl2 are needed to form 76.6 g of AlCl, ? 2 Al(s) + 3 Cl,(g) 2 AICI, (s) ->

A: Given  Reaction  2Al(s)  + 3Cl2(g)   →  2AlCl3 Mass of AlCl3   = 76.6 gram  Mass of Cl2   = ?

Q: A certain organic compound has the formula C9H11O3. A sample of this compound weighs 3.4 grams.…

A: The formula of the organic compound is C9H11O3. The molecular mass of the organic compound=9 x 12 +…

Q: A 2.56 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: Q.5: When a compound containing C, H, O, N and S is combusted in excess oxygen, C form CO2, H forms…

Q: If 11.4 moles of carbon dioxide, CO2, was produced, how many grams of water was also produced:…

A: Given Moles of CO2 produced = 11.4 mol Balanced chemical equation: C6H12O6(s)   + 6O2(g) → 6CO2(g)…

Q: 8.25 Cisplatin (right), or Platinol, is used in the treatment of certain cancers. CI- N- Calculate…

A: The molecular formula of  cisplatin or Platinol is [Pt(NH3)2Cl2]

Q: A combustion analysis is performed on a compound that contains only C and H. The analysis produces…

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".