What is the empirical formula for a sample containing 81.70% carbon and 18.29% hydrogen? Multiple Choice CH C2H6 CH3 8 of 15 Next > < Prev

Q: Question 16 16. Calculate the mass% of N in (NH4)2CrO4. N=14.00 g/mole, H 1.008 g/mole, Cr-52.00…

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Q: 2- Calculate the empirical fomula of the compound composed of 38.67 % C, 16.22 % H, and 45.11 %N by…

A: To calculate the empirical formula we have to calculate the number of mole of each elements in the…

Q: Calculate the empirical formula of a compound which contains 47.3 percent C, 10.6 percent H, and…

A: The unknown compound contains 47.3% C, 10.6% H, and 42.1% O by weight   We know that --- the atomic…

Q: he percent by mass

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Q: Find the molecular formula of the following compounds.

A: A molecular formula is a short term notation of a molecule. In a molecular formula the respective…

Q: What is the molecular formula of a compound that has 85.7% Carbon and 14.3% Hydrogen and has a mass…

A: Given :- percent composition of C = 85.7%  percent composition of H = 14.3 %  Mass of compound =…

Q: Looking at the following equation, what is the mol ratio between C2H2 and O2? 2C2H2(g) + 5O2(g) -->…

A: Given 2C2H2 (g) + 5O2 (g) --&gt; 4CO2 (g) + 2H2O(g)

Q: [References] Acetic acid has the empirical formula CH20 and an empirical formula weight of 30.0 amu.…

A: Given :-  Empirical formula of Acetic acid = CH2O  Empirical formula weight = 30.0 amu  Molecular…

Q: How many moles of carbon are there in 0.500 mole of C₂H6? 1.00 mole O 0.500 mole 4.00 moles O 3.00…

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Q: What is the mass percent C in isooctane, C(CHs).CH:CH(CH3)z. Select one: Oa 15.88 % C Ob 8412 % C O…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: Subscript Ratios 14. How many moles of oxygen are present in 2.49 moles of Ca3(PO4)2? 15. How many…

A: Answer:One mole of a sample always has number of particles equal to  and this value is equal to…

Q: A compound with a percent composition by mass of 24,61 % C. 2.75% H, and 72.64% CI has a molar mass…

A: Information of question

Q: 2 SO2 + O2 -> 2 SO3 If you have 12.5 grams SO2 and 2.50 grams O2, then calculate the nunber of…

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Q: 7-9. An organic compound is composed of 40.92 percent carbon, 4.58 percent hydrogen, and 54.50…

A: Empirical formula of a compound can be defined as the simplest whole number ratio of all atoms…

Q: A compound is found to contain 37.23 % carbon, 7.827 % hydrogen, ane 54.94 % chlorine by mass. What…

A: Empirical formula :- The simplest formula which represents only relative number of atoms of…

Q: When a 1.924 g sample of a compound undergoes combustion analysis, 2.801 g CO2 and 1.433 g H2O are…

A: Since the compound contains only C, H and O. Hence assuming the empirical formula of the compound is…

Q: The chemical formula of acetaminophen is C.H₂NO₂. Acetaminophen is a very effective drug for general…

A: a. We have to calculate the molar mass of the molecule

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: Complete combustion of 6.50 g of a hydrocarbon produced 19.9 g of CO₂ and 9.51 g of H₂O. What is the…

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Q: A compound composed of 3.3% H, 19.3% C, and 77.4% O3.3% H, 19.3% C, and 77.4% O has a molar mass of…

A: The following percentages are given: H =&gt; 3.3% C=&gt; 19.3%  O=&gt;77.4%  The molar mass of the…

Q: Complete combustion of 2.90 g of a hydrocarbon produced 8.94 g of CO, and 4.12 g of H,O. What is the…

A: Given  Mass of hydrocarbon = 2.90 gram  Mass of CO2  = 8.94 gram  Mass of H2O = 4.12 gram  Empirical…

Q: Which of the following is NOT a correct formula?  (four are correct formulas but one is not correct…

A: Given, CuSO 4Na 2S Mg(OH) 2 NH 4Cl                                    LiCl 2  The incorrect…

Q: n. What is the empirical formula?

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Q: Find the empircal formula

A: Simplest whole number ratio of elements in a compound is called " empirical formula "  eg :…

Q: Question 7 D A 4 g sample of H2 (g) is combined with a 28 g sample of CO (g), and the following…

A: From this reaction we see that 2 mol hydrogen react with 1mol CO formed 1 mol methanol Moleculer…

Q: What is the mass percent of hydrogen in methane CH4?   25.13%   16.13%   20%   50%

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Q: Which of the following can be considered an empirical formula? Explain how you know. CH4 C2H8 C2H6…

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Q: Combustion analysis of 60.0 grams of a C, H and O containing compound produced 161.41 grams of…

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Q: If there are 3.70 moles of H,3.70 moles of H, how many moles of each of the compounds are present?…

A: Given :-  number of moles of H = 3.70 mol  To be calculated :-  number of moles of H2SO4  number of…

Q: What is the molecular formula of a compound of empirical formula CH2 and formula weight 14 amu? CH₂…

A: This problem is based on mole concept.Here the emperical formula is given as CH2. The formula mass…

Q: What is the percent composition of the antibiotic tetracycline, which has the molecular formula of…

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Q: Complete combustion of 3.40 g3.40 g of a hydrocarbon produced 10.9 g10.9 g of CO2CO2 and 3.89 g3.89…

A: Empirical formula :-  The formula which shows only relative number (simple ratio) of atoms of…

Q: 20. Find the empirical formula for a compound with 34.6%C, 3.9%H, and 61.5%0. O C,H3O3 O C3H¾O4…

A: Element % At.mass Divide % by at. mass No. of moles Divide moles by smallest value…

Q: empirical formula of C4H10

A: Empirical formula of any compound is the formula which contains the atoms of each element in the…

Q: Compound X has a molar mass of 180.15 g-mol and the following composition: element mass % carbon…

A: Given:Molar mass of X = 180.15 g mol-1Carbon = 40.00%Hydrogen = 6.71 %Oxygen = 53.29%The atomic…

Q: Note: Reference the Fundamental constants table for additional information. 42.0 g OCT, chionine…

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Q: Determine the percent ammonia, NH3, in Co(NH3)6Cl3. (Round your answer to the tenths place.) ANSWER…

A: Given: Formula of compound: Co(NH3)6Cl3 molar mass of Co(NH3)6Cl3 = 267.48 g/mol molar mass of NH3 =…

Q: A compound is 55.8% Carbon, 11.7 % hydrogen and 32.5 % nitrogen.  What is the empirical formula?…

A: Empirical formula describes the simplest ratio of atoms in compound. To calculate the empirical…

Q: A compound is found to contain 37.23 % carbon, 7.827 % hydrogen, and 54.94 % chlorine by weight. To…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Which of the following cannot be an empirical formula?  Group of answer choices CH2O NH3 C2H2 HClO4…

A: An empirical formula is a formula in which a chemical compound is represented in the simplest…

Q: Questo 1300 13 O Macmillan Learnin The complete combustion of 8.20 g of a hydrocarbon produced 25.1…

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Q: One hundred milliliters (100 mL) of a hydrocarbon (density = 0.660 g/mL) have undergone combustion…

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Q: What is the percent of H, P, and O in the formula H3PO4? H _____ % P ______ % O ______ %

A: To solve this problem we will use molar mass of each element and molar mass of H3PO4  Since we know…

Q: Use the References to access important values if needed for this question. compound is found to…

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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".