A sample of gas contains 0.1800 mol of CO(g) and 9.000×10-2 mol of O2(g) and occupies a volume of 12.4 L. The following reaction takes place: 2CO(g) + O2(g)2CO2(g) Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.

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Q: A sample of O2 with a pressure of 1.53 atm and a volume of 239 mL is allowed to react with excess NO…

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Q: A 1.92 L flask is filled with 2.52 g of some gas (molar mass 42.100g/mol) at 23.1°C. A different…

A: Given: Volume , V = 1.92 L Temperature = 23.1°C = 296.25K No. Of moles gas= 2.52g/42.1gmol-1= 0.0598…

Q: A sample of gas contains 0.1900 mol of HCl(g) and 9.500×10-2 mol of Br2(g) and occupies a volume of…

A: Given that : Number of moles of HCl(g) = 0.1900 mol Number of moles of Br2(g) = 9.500×10-2 mol…

Q: The following reaction is used to generate hydrogen gas in the laboratory. If 340.6 mL of gas is…

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Q: A sample of gas contains 0.1800 mol of NH3(g) and 0.2250 mol of 02(g) and occupies a volume of 17.6…

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Q: 2 A 10.5 mL sample of liquid ethanol (C,H,OH, density = 0.789 g/mL) was injected into a 10.0 L…

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Q: 11. Synthesis gas, which is used in the production of ammonia and methanol, among other uses, is…

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Q: A sample of gas contains 0.1600 mol of CH4(g) and 0.1600 mol of H2O(g) and occupies a volume of 18.4…

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Q: A 2.20 L container at 53.6 °C contains 6.21 g of N2O3(g). The N2⁢O3 gas decomposes completely,…

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Q: A sample of gas contains 0.1700 mol of C₂H4(g) and 0.1700 mol of H₂O₂(g) and occupies a volume of…

A: Given :  Moles of C2H4 = 0.1700 mol  Moles of H2O2 = 0.1700 mol  Total volume = 11.5 L

Q: In the fermentation of glucose (wine making), 760 mLmL of CO2CO2 gas was produced at 31 ∘C∘C and…

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Q: A 0.425 mol sample of Ar (g) in a 5.00 L flask at 45°C exerts a pressure of 2.218 atm. Which of the…

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Q: 5. A student conducts a laboratory investigation of anaerobic respiration. The student places 10.0 g…

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Q: A 2.53 L container at 74.1 °C contains 6.31 g of N2O3(g). The N2O3 gas decomposes completely,…

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Q: Three 1.00 L flasks at 25.0 °C and 1013 kPa pressure contain: CH4 (flask A), CO2 (flask B) and NH3…

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Q: Calculate the volume of the sample after the reaction takes place, assuming that

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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.