Tungsten (W) and chlorine (Cl) form a series of compounds with the following compositions:Mass % W                Mass % Cl72.17                        27.8356.45                       43.5550.91                       49.0946.36                        53.64If a molecule of each compound contains only one tungstenatom, what are the formulas for the four compounds?

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Q: . How many oxygen atoms are in 76.3 g N2O4? Conversion must be set-up in one step using dimensional…

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Q: Complete the table. Element Moles Mass Cr 0.00442 Fe 73.5 mg Ti 1.009 x 10-3 Hg 1.78 kg

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Q: A compound was found to have the following composition by mass: 28.03% Mg, 21.60% Si, 1.16% H, and…

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Q: The mass of an organic compound was found to be 58.053 86 by mass spectrometry. Is the sample C₂HN₂,…

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A: Given, mass of 2.41 g sample of a compound produced 1.36 g CO2 and 0.833 g H2O. Moles of…

Q: An element consists of 1.40% of an isotope with mass 203.973 u, 24.10% of an isotope with mass…

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Q: A molecular compound is found to consist of 26.0% nitrogen and 74.0% oxygen. If the molecule…

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Q: Assume the atomic mass of element X is 22.99 amu. A 22.42−g sample of X combines with 123.73 g of…

A: Mass of X = 22.42 g Mass of Y =123.73 g Atomic mass of element X = 22.99 amu Atomic mass of element…

Q: A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In…

A: Given A 5.91 g unknown sample analyzed by elemental analysis revealed a composition of 37.51 % C. In…

Q: Cortisone consists of molecules, each of which contains 21 atoms of carbon (plus other atoms). The…

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Q: What is the elemental composition of mercury(I) nitrate, Hg2(NO3)2? Report the mass percent of each…

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Q: D. Calculate the mass (g) of the following samples. 25) 238 moles of lead 26) 1.54 x 10° moles of Zn…

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Q: A student, Ken, is given a mixture containing two nitrate compoundsnitrate compounds. The mixture…

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Q: Zinc Oxide decomposes into zinc and oxygen. If 52.1 g of zinc oxide decomposes to form 41.8 g of…

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Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

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Q: A molecule is found to contain 64.27% by mass C, 7.191% by mass H, and 28.54% by mass O. It’s molar…

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Q: bromine carbon chlorine hydrogen % of Total Mass 41.7 18.8 36.8 2.6 Atomic Mass 79.9 12.0…

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Q: An iron-containing compound is 20.1% Fe, 11.5% S, 63.3% O, and 5.1% H. What is the empirical formula…

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Q: A student, Ken, is given a mixture containing two carbonate compoundscarbonate compounds. The…

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Q: etraphenylporphyrin is a synthetic compound that resembles naturally occurring porphyrins.…

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Q: 4.33 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: EMPIRICAL FORMULA= C5H11O2NS

Q: A compound that contains only carbon, hydrogen, and sulfur is 30.8 % S and 57.6 % C by mass. What is…

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Q: a) A compound is found to contain 52.13 % carbon, 13.15 % hydrogen, and 34.72 % oxygen by mass.What…

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Q: The element silver (Ag) has two naturally occurring isotopes:109 Ag and 107Ag with a mass of 106.905…

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Q: A student, Ken, is given a mixture containing two carbonate compounds. The mixture includes  MgCO3…

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Q: A 2.25 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: Given-Compound consist of C, H, O, N, and Smass of sample for combustion = 2.25 gmass of CO2 = 1.27…

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.