70. What is the empirical formula of a compound containing 53% carbon and 47% oxygen by mass (in g)? g/mol* Given: C= 12.01g/mol O=16.00 A. C1.50 В. C20 OOption 1 O Option 2 С. С2Оз D. C302 Option 3 O Option 4

Q: A model of the ethanal molecule is shown in the window below. progress ball & stick- + labels HO a.…

A: 1 mole = 6.022 x 1023 atoms/molecules/entities

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: Determine the molecular formulas for a compound that gives the following percentages on analysis (in…

A: A molar mass is the total mass of a each atoms present in a molecule.

Q: Ammonium sulfate, (NH4)2SO4, is used in fertilizers to provide nitrogen for the soil.  a. How many…

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Q: The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O…

A: Given that the combustion of hydrocarbon produces 66.02 g CO2 and 13.51g H2O.Number of moles of CO2…

Q: B. Given the following reaction: A + 3B --> 2C Calculate the number of moles of A. Molecule (8) sseu…

A:

Q: 17.1.28 g compound containing C, H and N is burned in pure oxygen producing 3.63 g CO₂, 0.867 g H₂O…

A:

Q: he empirical formula of the following compound if a sample contains 55.3% K, 14.6% P and 30.1% O by…

A: Sample contains, K = 55.3 % P = 14.6 % O = 30.1 %

Q: from 9 0₂ lost (#2) → mol O₂ lost from mol O₂ lost (#3)→ mol KC103 from mol KC10₂ (#4) →g KC103² 3.…

A: From the mass of O2 gas lost we can figure out moles of O2.

Q: What quantity in moles of KCI are there in 50.0 mL of 0.140 M KCI?

A: Here given concentration of KCl solution = 0.140 M                    Volume of the KCl solution =…

Q: There are 1.2 x 1024 atoms of carbon in a sample of aluminum acetate, Al(C₂H3O2)3. How many moles of…

A:

Q: Use the References to access impo a. How many ATOMS of sulfur are present in 2.09 moles of disulfur…

A:

Q: A sample is found to contain 0.650 mole of a chemical substance. a. How many atoms are present if…

A:

Q: 16. Empirical Formula Mass: 19. Empirical Formula Mass: CH HgF 17. Empirical Formula Mass: 20.…

A: Empirical formula and molecular formula: Empirical formula: it can be defined as the simplest whole…

Q: A compound containing only hydrogen and carbon is burned in excess O2(g) to produce a total mass of…

A: Given: Compound contains only C and H. Mass of 0.3 moles of compound = 34.243 g. The total mass of…

Q: Question 3 of 23 Kermesic acid, a red substance extracted from insects for use as a dye molecule,…

A: Given: Kermesic acid= 10g  Mass of CO2 = 21.33 g  Mass of H2O = 2.728 g  To find: Molar mass of…

Q: Q8. Balance the following equations: Q 1. Hg2(C2H3O2)2(aq) + KCl(aq) → Hg2Cl2(s) + KC2H3O2(aq) Q2.…

A: 1) The balance chemical equation for this reaction is as follow               Hg2(C2H3O2)2(aq)    +…

Q: Al reacts with Fe304 according to the following equation Al + Fe,04 Al0, + Fe Calculate the mass of…

A: given reaction, Al + Fe3O4 → Al2O3 + Fe on  balancing the reaction, 8Al + 3Fe3O4 → 4Al2O3 + 9Fe

Q: Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from…

A: The objective of this question is to determine the amount of sulfuric acid (H2SO4) that can be…

Q: Moles and Chemical Formulas Finding the Simplest Formula 1. Mass of empty crucible + cover 2.…

A: We would use the experimental data to calculate the mass of magnesium and compound.  Then to…

Q: Pls Pls help me solve the following question, explain it and really make sure its correct 1000000%…

A: Step 1: Finding out the moles of carbon dioxide and water produced…

Q: Combustion analysis of an unknown compound containing only carbon and hydrogen produced 2.845 g of…

A: Since, Empirical formula is the  smallest whole number of the ratio of atoms in a molecule. Thus,

Q: 1. Find the empirical formula for a compound with 27.5%K, 37.5%Mn, and 35%O.

A: The given compound has 27.5 % K, 37.5 % Mn and 35% O. If the mass of compound taken is assumed to be…

Q: HO me PhCH₂OH, p-TSA toluene, reflux

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAl₆(PO₄)₄(OH)₈･4 H₂O.…

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

Q: Sodium 22.990 Oxygen 15.999 1. 2 Na + O, ---> Na,O Mole Ratio Moles of A Moles of B Moles of B Moles…

A:

Q: 1. Caproic acid, which is responsible for the foul odor of dirty socks, is composed on C, H, and O…

A: 1) Using the given information, we have to calculate the empirical formula and molecular formula

Q: a. Calculate the molar mass of P205. Molar masS = g/mol %3D b. Calculate the molar mass of Caz…

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Q: Calculations involving chemical formulas and equations. Analyze and provide complete solutions to…

A: Answer: This question is based on the concept that each mole of a substance contains number of…

Q: A mineral ore is found to be a pure compound consisting of 29.1% sodium, 40.6% sulfur, and the st…

A: Given:Percent mass of sodium = 29.1 %.Percent mass of sulfur = 40.6 %.Percent mass of oxygen = 100%…

Q: A compound has an empirical formula of C,H,O. If the experimental molecular weight is found to be…

A:

Q: Determine the percent yield for the reaction between 45.9 g of NaBr and excess chlorine gas to 6.…

A: All the details are explained in handwritten solution.

Q: What is the empirical formula for a compound containing 59.72% Tin 16.10% sulfur and the remainder…

A:

Q: b. Ca(С2H3О2)2 + КЗРО4 С. Н2СОЗ + NH4OH Саз(РО4)2 + КCгНЗО2 (NH4)2CO3 + Н2О

A: Given  Unbalanced reactions of Calcium acetate + Potassium acetate →Calcium phosphate + Potassium…

Q: The molecular formula of a hydrocarbon which has a molecular weight of 84 amu and which contains…

A: Molecular weight = 84 amu  Mass percentage of C = 85.7 %  Molecular formula of a hydrocarbon = ?

Q: MOLAR VIEW T03/S11 If a sample of (NH4)2HPO4 is found to contain 3.79 mol of NH4* ions how many…

A: The reaction can be written as follows: (NH4)2HPO4→2NH4++HPO42-

Q: Need help

A: The mass of water in oxalic alumina is determined as,

Q: 1. The combustion of a sample of butane, C4H10 (lighter fluid), produced 3.75 moles of water. 2C4H10…

A: Consider the given balanced equation is as follows; 2 C4H10   +  13 O2   →    8 CO2   +   10 H2O…

Q: 8. How many moles of hydrogen gas are needed to react completely with two moles of nitrogen gas? 3H2…

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Q: Balance the following equations: A. Pb + Cl2 → PbCl3 B. PbBr3 + H2SO4 → Pb2 (SO4)3 + HBr C. C8H200+…

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Q: Terephthalic acid is a chemical used to make polyesters, including disposable water bottles. It has…

A: Solution : The molecular formula shows the actual number of each type of atoms present in a…

Q: 16) How many grams of sulfur can be made in the following reaction if 54.0 grams of H2S reacted with…

A: Given reaction is  2H2S  + SO2  → 2H2O  + 3S i.e 2 mol H2S  + 1 mol SO2  → 2mol H2O  +3mol S i.e,2…

Q: 1. What mass of potassium chlorate would be needed to form 56.8 g of oxygen? 2KCIO3 ----> 2KCI + 3…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: If Avogadro's no. is taken as 'N' then 2 moles of H20 will have how many atoms of H?

A:

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.