Mass of crucible and cover is 43.92 g. The mass of crucible, cover, and magnesium is 44.62g. Mass of crucible, cover, and magnesium oxide is 44.99g) What is the empirical formula of magnesium oxide?

Q: A 0.858-g sample of copper was reacted with oxygen to form 1.074 g of copper oxide. Determine the…

A: Given, mass of copper sample = 0.858 g Mass of copper oxide formed = 1.074 g Empirical formula of…

Q: A 9.459.45 g sample of a compound contains 6.036.03 g of iron, Fe,Fe, 1.111.11 g of phosphorus, P,P,…

A: The mass of the sample compound is 9.45 g and the mass of iron in this sample is 6.03 g, and the…

Q: empirical formula

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Q: 87: A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 g of…

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Q: A white oxide of tungsten is 79.2976% tungsten by mass. A blue tungsten oxide also contains…

A: Let the mass of the white tungsten oxide and the blue tungsten oxide be equal to 100 g. Mass of…

Q: A sample of barium reacts completely with oxygen in a specialized crucible. The reaction that occurs…

A: The reaction taking place is given as, => Barium + oxygen ------> Barium oxide  Given : Mass…

Q: Compounds containing sulfur and oxygen are serious air pollutants; they represent the major cause of…

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Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: In order to calculate the empirical formula of each compound , we first need to convert the grams of…

Q: Moles of Mass of A atoms Divide by molar mass A atoms A to X Divide by mole ratio Convert ratio to…

A: Empirical formula: It is the formula that is used to represent the proportions of all the elements…

Q: The mineral ilmenite is usually mined and processed for titanium, a strong, light, and flexible…

A: Number of moles = Given mass Molar mass Element Given mass Molar mass  Number of moles Ratio…

Q: Scandium reacts with oxygen to form a compound with the formula ScxOy.  If 1.000 g of scandium…

A: The empirical formula of a compound is the simplest whole number ratio of atoms present in a…

Q: A compound contains 30.4 g of nitrogen and 69.6 g of oxygen by mass. What is the chemical formula of…

A: Given : mass of Nitrogen i.e N = 30.4 g And mass of Oxygen i.e O = 69.6 g

Q: A 8.4877 g sample of a new compound has been analyzed and found to contain the following masses of…

A: To calculate the emperical formula,  the number of moles of each element should be calculated. Then…

Q: A 13.0-g sample of titanium reacts with oxygen to form 21.6 g of metal oxide. What is the empirical…

A: Given that  Mass of Titanium reacted = 13.0 g  Mass of metal oxide formed = 21.6 g  Empirical…

Q: A new computer chip contains 4.71×1022 Si atoms. Determine the mass (in grams) of the silicon…

A: 1 mole of any substance contains avagadro number of atoms i.e.6.022×1023 atoms.  6.022×1023 atoms of…

Q: completely

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Q: 10. A sample of a pure compound contains 12.23 g of nitrogen and 15.01 g of oxygen. The molar mass…

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Q: Consider titanium. It is a metal with the same strength as steel, but it is 45% lighter. It is also…

A: • Given,→ No.of moles of Titanium = 0.0217 mole.→ Titanium is 45% lighter than steel.• Atomic mass…

Q: 5.00 g of a compound containing nitrogen and oxygen was decomposed and 1.52 g of nitrogen was…

A: Given: Mass of compound = 5.00 g  Mass of Nitrogen produced=1.52 g  Molar mass of nitrogen = 28…

Q: It is commonly known as fruit sugar. Its percentage composition is 40.0% carbon, 6.71% hydrogen, and…

A: Given Element %  of  carbon(C) = 40.0 % = 40.0 g Element %  of  hydrogen(H) = 6.71 % = 6.71 g…

Q: Writing Empirical Formulas from Chemical Formulas

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Q: A sample of a pure compund contains 3.04g of nitrogen and 6.94 g of oxygen. The molar mass of this…

A: Since the compound is having only N and O  Hence assuming the compound to be having empirical…

Q: A compound contains arsenic and oxygen as its only elements. A 1.626g sample of the compound…

A: A 1.626 g of the sample contain 1.060 g of arsenicSo, Oxygen = (1.626 -1.060)g…

Q: 1.651 g of Silver is combined with 0.1224 g of oxygen. Find the empirical formula.

A: moles of silver combining = mass / atomic mass atomic mass of Ag = 108 g/mol Hence moles of Silver =…

Q: A sample of barium reacts completely with oxygen in a specialized crucible. The reaction that occurs…

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

Q: Combustion of 10.68 mg of the compound yields 15.92 mg CO2 in 4.89 mg each to the molar mass of the…

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Q: A student reacted 0.3000 g of aluminum with oxygen gas and obtained 0.5333 g of aluminum oxide.…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: How many moles (of molecules or formula units) are in each sample? 42.59 g CF2Cl2 Express your…

A: One mole contains Avagadro number of atoms. That is, 6.022x1023 atoms. Mass of one mole is called…

Q: A 2.25 g sample of titanium metal is burned in an oxygen atmosphere to produce 3.75 g of a titanium…

A: Given that the mass of Titanium is 2.25 g and the mass of oxide is 3.75 g of Titanium oxide. The…

Q: 1.a) A 0.0430-g sample of silver [Ag] metal is heated in a sulfur [S] atmosphere forming 0.0494 g…

A: (a) Given that: Mass of Ag metal = 0.0430 g,             molar mass=107.868 g/mol Mass of silver…

Q: A 2.87 g sample of carbon reacts with hydrogen to form 3.41 g of car fuel. What is the empirical…

A: Given Car Fuel mass= 3.41 g mass of carbon = 2.87 g By the law of definite proportions, Mass of…

Q: A compound contains carbon, hydrogen, and nitrogen as its only elements. A 9.353 g sample of the…

A: Given that the mass of C and H in a compound of mass 9.353 g is 5.217 g and 1.095 g respectively.

Q: When 2.004 g calcium is heated in pure nitrogen gas, the sample gains .4670 g of nitrogen. Calculate…

A: Mass of Calcium = 2.004 g Atomic mass of calcium= 40g/mol Moles of calcium = 2.004g/40g/mol = 0.0501…

Q: An unknown sample with a total mass of 440.85 g contains carbon, hydrogen, and oxygen.  If the…

A: Given: The total mass of the unknown sample = 440.85 g The mass of carbon = 300.25 g The mass of…

Q: 6.50 g of a vanadium oxide contains 4.42 g of vanadium. What is the empirical formula of the oxide?

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Q: A composition containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78g of…

A: A composition containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 g of…

Q: The atomic mass of Cl is 35.45 amu, and the atomic mass ofAl is 26.98 amu. What are the masses in…

A: Given, atomic mass of Cl is 35.45 amu  atomic mass ofAl is 26.98 amu

Q: A sample of carbon (C) contains 4.74× 1021 C atoms. How many moles of carbon are present in the…

A: Number of moles = Number of atoms/N Where, N = avogadro number                  = 6.0224 × 1023

Q: During the experiment, a student calculated the mass of chlorine in the compound to be 1.153 g. How…

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Q: 59. A 0.5998-g sample of a new compound has been analyzed and found to contain the following masses…

A: Empirical formula can be calculated as follows -  First of all calculate the no. Of moles for each…

Q: A certain compound contains 10 carbon atoms, 18 hydrogen atoms, and 2 oxygen atoms. What is the…

A: MOLECULAR FORMULA  C10 H18 O2 EMPIRICAL FORMULA C5 H9 O ( C5 H9 O) X2 =C10 H18 O2

Q: When 0.273 g Mg is heated in a nitrogen atmosphere, a chemical reaction occurs. The mass of the…

A: We have given that  When 0.273 g Mg is heated in a nitrogen atmosphere, a chemical reaction occurs.…

Q: Phosphorus, a highly reactive element, reacts with oxygen to form phosphorus oxides. Determine the…

A: The mass of P in the given compound is 4.350 g. The mass of phosphorus oxide is given as 7.710 g.…

Q: empirical formula

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Q: The black powder used to propel a firework into the sky is made up of 72% by mass potassium nitrate…

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

Q: When 3.269 g of zinc is heated in pure oxygen, the sample gains 0.800 g of oxygen in forming the…

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Q: A chemist decomposes samples of several compounds; the masses of their constituent elements are…

A: The number of moles of oxygen and silver is calculated as,

Q: A 1.271 g sample of aluminum metal is heated in a chlorine gas atmosphere, and the mass of aluminum…

A: We can calculate the mass of the chlorine from the mass of aluminium chloride and the mass of…

Q: A compound is composed of 0.7388 grams of mercury and 0.2612 grams of chlorine. What is the…

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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.