An unknown organic compound has a molar mass of 56.108 g/mol and an empirical formula of CH2 What is the molecular formula of this compound?  Group of answer choices C5H10 C3H6 C4H8 C2H4 C2H5

Q: Upon combustion analysis, a certain compound was found to contain 83.9% carbon and 16.1% hydrogen.…

A: The molecular formula for the compound is to be determined based on the combustion analysis data.…

Q: How many moles of C are present in 2.3 moles of naproxen [C14H14O3], which is used to treat…

A: Number of moles of carbon in 2.3 moles of naproxen.

Q: 75.0 g glucose, C6H12O6:               a. How many moles of glucose?  How many molecules of…

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Q: A sample of aspirin (acetysalicylic acid) used as a "pain killer" contains the benzene ring and has…

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

Q: Question 16 What mass of N atoms is present in 1.37 x 1017 molecules of N2O? Group of answer…

A: Given molecules of N2O = 1.37 × 1017  molecules  1 moles of a compound contains Avogadro's number of…

Q: AB2 + 2 C --> 2 CB +  A (OR A B2 + 2 C right arrow 2 C B + B) Calculate the number of molecules of…

A: Given, AB2 + 2 C --> 2 CB +  A mass of AB2 react = 1.000 × 101 g = 10 g mass of C react = 9.5600…

Q: A compound contains only C, H, and O. Determine the empirical formula if a sample is found to…

A: From percentage composition , by calculating no. Of moles , furthur we can calculate empirical…

Q: Calculate the following.  number of atoms in 8.21 g Li number of atoms in 32.0 g Br2 number of…

A: Solution [1.]  Mass of Li = 8.21 g Molar mass of Li = 7 g/mol So, no. of moles of Li = Mass / Molar…

Q: References] a. Two compounds have the same composition: 92.25% C and 7.75% H. Obtain the empirical…

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Q: How many moles are present in 1.223 g of SF6? Group of answer choices 0.166 mol 3.72 mol 0.008374…

A: The solution is as follows :

Q: What is the coefficient in front of H2SO,

A: A chemical equation is said to be balanced when the number of atoms of each element are equal on…

Q: Question #8. Molecular Formula A certain compound has an empirical formula of C2H,OSi and a…

A: Given the empirical formula of the compound is C2H6OSi Molecular weight of the compound =  593.236…

Q: Calculate the number of moles in each of the following: 82.0 g of Ag 15.0 g of ammonia, NH3 252.8 g…

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Q: QUESTION 2 a. How many moles of Al203 are in 28.0 g of Al203? Report your answer to the correct…

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Q: Calculate the empirical and molecular formula of the given. Question: Determine the molecular…

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Q: A compound contains C, H and O as the elements.   A 20.0 g-sample is comprised of 1.34 g H and also…

A: Given that the mass of C and H in a compound of mass 20.0 g is 1.34 g and 8.00 g respectively. Mass…

Q: How many formula units are in 83 moles of MgBr2?   Question 9 options:   0.87 F.U.   7.25 x 1021…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: ntal analysis of 49.48% carbon, 5.190% hydrogen, 16.47% oxygen and 28.85% nitrogen. It has a molar…

A: From percent mass can be calculated, after knowing the mass it can be converted into moles and then…

Q: Directions: Calculate the empirical and molecular formula of the given. Question: Vitamin C…

A: Given,  Mass percent of C = 40.92%  Mass percent of H = 4.58%  Mass percent of O = 54.50%  Molecular…

Q: How many moles of Cl– ions are in 10.0 g of MgCl2 (MW 95.3 g/mol)?

A: A molecular formula gives the number of each atom present in this molecule. Also, An ionic compound…

Q: A 14.51 g sample of a compound contains 4.63 g of potassium, K, 4.20 g of chlorine, Cl, and oxygen,…

A: Given -  Weight of potassium - 4.63 g  Weight of chlorine - 4.20 g  From the data total weight of…

Q: Citric acid, C6H8O7, is found in many fruits How many H atoms are contained in 0.1g of citric acid…

A: Given that:  Molecular formula of citric acid = C6H8O7  Mass of citric acid = 0.1g Molar mass of…

Q: 1.A compound is composed of the elements C, H, O, and Br. Combustion analysis of a 6.17 g sample of…

A: The amount of CO2 formed from 6.17 g of the sample = 3.91 g The amount of H2O formed from 6.17 g of…

Q: Which of the following equations is not balanced? Group of answer choices C3H8 + 5 O2  3 CO2 + 4 H2O…

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Q: What is the empirical formula of strontium chloride in problem 5?   Sr Cl Mass of element (in g) 1.…

A: The answer of following question is given below.

Q: CHEMWORK Quinine, C20H24N2O2 is the bitter tasting compound in tonic water. It is also the compound…

A: The molecular formula of quinine is C20H24N2O2. The molar mass of quinine is 324.18 g/mol.

Q: 11.An unknown compound is comprised of 25.9% N and 74.1% O. The molecular mass of the compound is…

A: Answer

Q: Molecular Formula and Molar Mass Calculations The molecular formula of C15H11I4NO4 molecule.…

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Q: How many water molecules does 9 grams of water ( H2O ) contain? a) 6.02X1023 b) 6.02X10-23 c) 3.01…

A: We have to calculate the number of molecules.

Q: The empirical formula and molar mass of several compounds are listed. Find the molecular formula of…

A: The molecular formula of a compound can be computed as:

Q: A compound has an empirical formula, SO3  . What is the molecular formula if the molar mass of the…

A: empirical formula = SO3    Molecular formula mass = 160.14 g/mol

Q: What are the molecular formulas of the following compounds? show solution if applicable Compound…

A: Compound consisting of 49.5 % C , 5.20 % H and 28.0 % N with molar mass of 194.1 g/molCH3 with…

Q: Answer + 41. Calculate the number of moles of carbon atoms present in each of the following samples.…

A:

Q: 9. Work out the molecular formula of a compound when given molar mass and the empirical formula.…

A: Given: The molecular mass of ethylene glycol, (M) =  62 g/mol. The empirical formula of ethylene…

Q: QUESTION 3: Show your solutions for all questions below: 3a. Which mass is greater? 34.0 g of…

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Q: A compound contains the elements C, H and O only. It consists of 54.56% C and 36,36% H. The molar…

A: The given compound contains carbon, hydrogen, and oxygen. The percentage of the carbon, hydrogen,…

Q: * 00 T F %#3 } H. 7. 6. D. 5. 4. E. MacBook Pro Q Search or enter website name OHO OHO molecular…

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Q: An unknown organic compound is 54.5% carbon, 9.2% hydrogen and 36.3% oxygen by mass. What is the…

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Q: The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of…

A: Given,The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O.The molar mass…

Q: Furnace H20 absorber CO, absorber Sample A 9.438 gram sample of an organic compound containing C, H…

A: Consider the given information is as follows; Mass of the organic compound sample = 9.438 g Mass of…

Q: In Alice's Wonderland, every element is different from those in our world. There is a pure unknown…

A: to find out, the empirical and molecular formula, first we need to moles of each element present in…

Q: How many molecules are present in 2.4 mol of sulfuric acid (H2SO4)? (You may use scientific…

A: Given: 2.4 mole of sulfuric acid  1 mole of any substance contains 6.026 x 1023 molecules so here 1…

Q: How many atoms are in 0.1 g of NaCl?     Question 6 options:   9.8E-24   0.1   1E21   3.5E24…

A:

Q: A basic biological compound contains 40.0% Carbon, 5.7% Hydrogen and 54.3 %  oxygen. It has an…

A: Given: % of carbon is 40 % of hydrogen is 5.7% % of oxygen is 54.3 % atomic mass is 175 g/mol To…

Q: Calculate the number of CO2CO2 molecules in 6.20×10−2 mole of CO2CO2.   Express your answer using…

A: The correct answer is given below

Q: The CSI crime lab found the empirical formula of a compound to be C2H3O. The molar mass of the…

A: Molecular weight of empirical formula C2H3O is (12×2+1×3+16)=43 Molecular weight = n × empirical…

Q: What is the molecular formula of a compound (molar mass = 240. g/mol) that has the empirical formula…

A: n = molecular mass ÷ empirical formula mass Molecular formula = n x empirical formula

Q: certain compound has an empirical formula of C2H6OSi and a molecular weight of 593.236 amu.…

A: Emperical formula is the simplest ratio of each constituent elements in molecular formula.…

Q: How many Praseodymium atoms are present in 2.99 moles of Praseodymium ? Note: If your answer…

A: Given,  The number of atoms present in 2.99 moles of praseodymium is:

Q: How many pounds of ammonia is required? (density of ammonia is 0.88 g/mL) original equation:…

A: The balanced reaction taking place is given as, => 2 NH3 (l) ------> N2 (g) + 3 H2 (g)  Given…

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.