An organic compound weighing 0.6827 g is decomposed, giving 0.2095 g carbon and 0.08436 g hydrogen. What are the percentages of hydrogen and carbon in this compound? %H = i %C = i It is that the compound contains another element since the percentages

Q: Antimony is alloyed with lead to increase the rigidity of components used in the construction of…

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Q: The mole is a counting number that allows scientists todescribe how individual molecules and atoms…

A: Molecular weight of Cu(OH)2 = 97.562 gm/mol  Weight of Cu(OH)2 = 23.45 gm  Moles = weight/mol. wt. =…

Q: a. What mass is represented by 0.0146 mol of C3H7OH (2-propanol, rubbing alcohol)? Mass %3D b. What…

A: a). Given: The moles of C3H7OH = 0.0146 mol. The molar mass of C3H7OH = 60.09 g/mol.

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:…

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Q: The mineral pyrite, FeS2 , when roasted in air, reacts to produce SO2 , which is then immediately…

A: The molar mass of Fe = 55.8g/mol Molar mass of S = 32g/mol

Q: A student wants to demonstrate the concept of limiting reactants to his labmates during class. If…

A: Given data : Mass of Fe = 56 gms Molar mass of Fe = 55.85 gm/mol Mass of Cl2 = 71 gms Molar mass of…

Q: lodine is prepared both in the laboratory and commercially by adding C12(g)C12(g) to an aqueous…

A: Given  2NaI(aq) + Cl2(g)------> I2(s) + 2NaCl(aq) Molecular weight of NaI = 149.89g/mol Molecular…

Q: Ti(s)  +  2F2(g) ---> TiF4(s)       If 2.4 g Ti is reacted with 1.6 g F2 what mass of TiF4 will be…

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

A: The given chemcial equation:  2 C6H6(l) + 9 O2(g) → 2 C4H2O3(s) + 4 CO2(g) + 4 H2O(g)  2 mol      9…

Q: Ammonia can also be synthesized by this reaction: 3H2(g)+N2(g) → 2NH3(g)3H2(g)+N2(g) → 2NH3(g)…

A: The given reaction is ,                                    3H2(g)+N2(g) → 2NH3(g) Clearly, from the…

Q: An organic compound consists of carbon, hydrogen and nitrogenonly. Complete combustion of a 150. mg…

A: Answer:- This question is answered by using the simple concept of determination of empirical formula…

Q: What is the formula weight of the compound? (Mg = 24.31 amu, Cl = 35.45 amu, O = 16 amu, H = 1.01…

A: Formula:  MgCl2.H2O Mass of Mg = 24.31amu Mass of Cl = 35.45amu Mass of H = 1.01 amu Mass of O = 16…

Q: Lead is found in Earth's crust as several different lead ores. Sup- pose a certain rock is 38.0% PbS…

A: Given that:                       Rock consists of:                                          Galena…

Q: Define attached

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Q: Ammonia, NH3, can be synthesized by this reaction:

A: Given,  Amount of NO is 45.8 g Amount of H2 is 12.4 g Formula Used,

Q: A compound's molar mass is 400 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: Percentage composition can be used to find the moles of each atom present in the formula.

Q: 6.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: We need to find emperocal formula then emperical mass

Q: Determine the formula masses of each of the substances below. Ex CuSO4 Element Symbol Mass Periodic…

A: Formula mass or molar mass of a substance is defined as the mass of the substance present in one…

Q: Fe,03 + HCI → FeCl, + H2O 5 g 5 g ?g 5. How many grams of the product is produced?

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Q: A student is conducting a laboratory experiment with sulfur hexafluoride (SF6) with a molar mass of…

A: Given data, Mass of SF6 = 235.7 g Molecular weight of SF6 = 146.07g/mol

Q: For the following reaction, 7.60 grams of methane (CHA) are allowed to react with 27.6 grams of…

A: Given, The reaction is as follows: CH4g+CCl4g→2CH2Cl2g From the stoichiometry of the above reaction…

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O:…

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Q: 2.00 mol of CO2  A) 6.022 x 10^22 molecules B)44.01 g C)3 atoms total

A: The molecule given is CO2 with moles of CO2 = 2 Since 1 molecule of CO2 has  1) 1 atom of C  2) 2…

Q: An empirical formula can be defined as: A)The exact number of atoms in a compound. B) The formula…

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Q: What number of molecules (or formula units) are present in 1.80 g of each of the following…

A: Please find your solution below : Avogadro's number is the number of atoms, molecules, ions, formula…

Q: 0.6075 g of an organic compound was burned in oxygen to obtain 0.4725 g H2O, 1.650 g CO2 and 0.105 g…

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Q: For the following reaction, 7.65 grams of methane (CH4) are allowed to react with 27.4 grams of…

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Q: A compound was found by elemental analysis to contain 39.96 % carbon, 13.42 % hydrogen, and 46.62 %…

A: Molecular formula is the formula of the molecule in which all the atoms are represented with number…

Q: What mass of the specified compound is formed in the following reactions? (Assume that the reactants…

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

Q: The empirical formula for tungsten oxide (W,0,) can be determined by heating tungsten with oxygen in…

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Q: Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as…

A: The question is based on the principle of elemental analysis. by analysing the given amounts , we…

Q: Propenoic acid, C3H4O2, is a reactive organic liquid that is used in the manufacturing of plastics,…

A: Combustion :- Burning of a compound in excess of air or oxygen is called combustion. Combustion of…

Q: balance this chemical reaction        ____  C6H11NO3S →       ____  C3H5OS +       _____  C3H6NO2

A: The balanced equation is shown below.

Q: What is the percentage of each element in this substance?

A: Concept: The study of the chemical processes occurring in living matter is called biochemistry. It…

Q: If 27.5 grams of CO2 were produced in the reaction, how many molecules of CO2  were produced? 2e.…

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Q: For the following reaction, 2.72 grams of methane (CH4) are allowed to react with 30.4 grams of…

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Q: Lead is found in Earth’s crust as several different lead ores. Suppose a certain rock is 38.0% PbS…

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Q: Mass Aluminum Foil (g) 2.5415 Mass Filter Paper (g) 0.2777 Mass Filter Paper + Product (g) 35.6484…

A: Calculate mass of product by using given data--

Q: As203 (s) + 6 Zn(s) + 6 H₂SO4(aq) - ----> 2 AsH3(g) + 6 ZnSO4(aq) + 3 H₂O(1) a) In a lab exercise, a…

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Q: 0.117 mol of a particular substance weighs 21.9 g. What is the molar mass of this substance?

A: Number of moles = Mass/Molar mass

Q: A compound's molar mass is 240 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: We have given that  A compound molar mass is 240g/mole its percentage composition is 75.00% Carbon…

Q: 1 Calculate the mass % of the limiting reactant BaCl2 in a salt mixture of mass 1.08 g, knowing that…

A: Given that, Mass of the salt mixture = 1.08 gms Mass of Ba3(PO4)2 ppt. = 0.231 gms Molar mass of…

Q: 1. A chemist made a new compound and had its elemental composition analyzed. The results of this…

A: Given: Mass of  C = 1.388 g Mass of H = 0.345 g  Mass of O = 1.850 g  To find : a) Percent…

Q: oron trichloride is prepared from the following reaction: 2B2O3+6Cl2+3C⟶4BCl3+3CO2   3.337 g B2O3…

A: Mass of B2O3 = 3.337 g

Q: When 77 g of N reacts with chlorine, it forms a product that weighs 661 g. What is the empirical…

A: The amount of nitrogen and the amount of final product have been provided. Let the product have the…

Q: For the dehydration experiment, the mass of green crystals before heating was G.H g. After the…

A: Since you have posted multiple questions, we are entitled to answer the first only

Q: Q6 - Calculate the formula weight of the following molecules to three significant figures Q7…

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Q: Antimony is alloyed with lead to increase the rigidity of components used in the construction of…

A: Given that 3.061 g of a particular metallic alloy, compounded of only Pb (Lead) and Sb (Antimony).…

Q: For the following reaction, 5.63 grams of methane (CH4) are allowed to react with 25.0 grams of…

A: Given information: Mass of methane = 5.63 g Mass of carbon tetrachloride = 25.0 g

Q: 6HCl + 2Fe ---> 3H2 + 2FeCl3 4.00 g of HCl is mixed with 4.00 g of Fe, as the reaction goes to…

A: Given: Mass of HCl = 4.00 g Mass of Fe = 400 g Molar mass of HCl = 36.46 g/mol Molar mass of Fe =…