国 Question 1 of 5 A compound is combusted that contains only carbon and hydrogen, and it is found to be 85.6% C by mass. What is the compound's empirical formula? A) CH, B) CH C) C,H D) C,H MacBook Pro

Q: 9L'0 (ə Methanol or methyl alcohol, CH3OH, is used as a fuel for race cars. How many moles of wate…

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Q: The laundry-detergent-additive sodium sulfate can be created by neutralizing sulfuric acid with…

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Q: How much aluminum can be produced from 3.00 ton of Al2O3? tons Al

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Q: A sample of a hydrocarbon is found to contain 7.99g carbon and 2.01g hydrogen. What is the empirical…

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Q: Finding a molecular formula from molar mass and elemental... Compound X has a molar mass of 86.08…

A: elementmass %mass Carbon (C)55.80 %55.80 gHydrogen (H)7.02 %7.02 gOxygen (I)37.17 %37.17 gMolar mass…

Q: .Calculate the number of moles of hydrogen chloride produced from 10 moles of hydrogen. H2(g) +…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: 3,4-Methylenedioxymethamphetamine (MDMA) commonly called Ecstasy or molly has the structure shown…

A: The number of moles of a compound is given by the ratio of the mass of the compound to its molar…

Q: Which of the following samples has the largest mass, in grams? A) 7 moles of H2O B) 6 moles of CN…

A: Molar mass of H2O = 18.02 g/mol Mass of 7 mol of H2O can be calculated as: Molar mass of CN = 26.02…

Q: How many hydrogen atoms are present in 4.5 moles of C6H6? 1.6 x 1025 H atoms 4.5 x 1023 H atoms 27 H…

A: Solution -

Q: Current Attempt in Progress A 2.05 g sample of an unknown compound contains H, S, and O. If the…

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Q: What is the mass (in grams) of Zn(NO3)2 that contains 3.82 x 1023 N atoms? Note: Molar mass of…

A: Given that:The molar mass of Zn(NO3)2 = 189.4 g/molThis implies that the mass of 1 mol of Zn(NO3)2…

Q: 1. H2 + AICIs AI HCI +] n you start with 205 g of aluminum and 75.6 g of HCI, how many grams of, H2…

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Q: please help

A: The balanced equation and calculation of number of moles are given below:

Q: If 45.0g of phosphorus is reacted with 75.0g of oxygen to produce .21mol of P4010 what is the…

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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: i chemi ca B. A chemişt carries out the following reaction: C6H6 + Br2 C6H5BR + HBr 2.7 a. If he…

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Q: Ammonium perchlorate (NH,CIO,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A: The answer to the following question is given as:

Q: An unknown compound has the formula C2H,0̟. You burn 0.2062 g of the compound and isolate 0.5034 g…

A: Given: Compound contains only C, H and O. Molar mass of compound = 72.1 g/mol. Mass of compound…

Q: When 3.853 grams of a hydrocarbon, C,H,, were burned in a combustion analysis apparatus, 12.09 grams…

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Q: Determine the Empirical Formula. (5pts each) 1. What is the empirical formula of a compound which…

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Q: Which of the following is an empirical formula?     A)  C2H6O   B)  CH2O   C)  C12H22O11   D)…

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Q: For this reaction, 3.14 g methane (CH4) reacts with 34.5 g carbon tetrachloride. methane (CH4) (g)…

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Q: 4. N204 5. CO

A: Empirical formula contains elements in the simplest whole number ratio.

Q: Acetone, a nail polish remover, has the molecular formula C3H6O. The empirical formula for acetone…

A: Empirical formula at the simplest formula which shows the simplest ratio of atoms. Whereas molecular…

Q: Liquid octane (CH3(CH2) CH3) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide…

A: Given: Mass of octane = 11.4 g Mass of O2 = 71.6 g Molar mass of O2 = 32 g/mol Molar mass of octane…

Q: 12 (c) Au (d) NH3 3.50 How many moles of ions are in 27.5 g of MgCl2? 3.51 Ho w many molor of

A: Mass of MgCl2 is 27.5 g. Molar mass of MgCl2 is 95.211 g/mol. Calculation of no. of mol of MgCl2:

Q: 1 Compound X has a molar mass of 135.12 g•mol 'and the following composition: element mass % carbon…

A: Molar mass or  molecular mass :-       It is the sum of atomic masses of the elements present in…

Q: A sample of 10.5g nitrogen reacts with 20.2 grams of hydrogen to produce ammonia.  3H2(g) + N2(g)…

A: Limiting reagent determination  find ratio of mol and stoichiometric coefficient, which will have…

Q: PT#15  3.) Directions: Calculate the empirical and molecular formula of the given. Question: A…

A: Molar mass of Carbon = 12.011 Moles of carbon = 26.5/12.011=2.21mol Molar mass of H=1.00784 Moles of…

Q: A compound has the empirical formula C4H9OxN. What is x if the percent composition by mass of O in…

A: The objective of this question is to find the number of oxygen atoms (represented by 'x') in the…

Q: A 49.2-gram sample of aluminum metal is mixed with 144.1 grams of rust (Fe2O3) in the reaction shown…

A: Given:  Mass of aluminium = 49.2 g Mass of Fe2O3 = 144.1 g Standard data:  Molar mass of…

Q: There are 6 strong acids you need to know. List their names and formulas below:

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: When 1.26 g of nitrogen are combined with hydrogen, 0.874 g of ammonia are produced. a) What is the…

A: First we need to write a balanced chemical reaction for reaction of nitrogen with hydrogen to…

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.