Formic Acid, HCHO​2,​ is a convenient source of small quantities of carbon monoxide. When warmed with an acid catalyst, it decomposes to give off water and carbon monoxide. If was collected ​over water​ at 25.00​ ​C and 689 mm Hg, 6. Hydrogen gas is isolated from zinc and hydrochloric acid. If the gas is collected over water​, and 156 mL of hydrogen are collected at 19.00​ ​C and 769 mm Hg total pressure, what is the mass of hydrogen collected? ​65 grams of sodium carbonate powder​ ​how many mL of gas​ total pressure? ​3.85 liters of CO​ ​how many grams of formic acid were used?

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A: In the complete combustion of Propane (C3H8), Volume of Propane (C3H8) = 3 L Temperature, T= 18°C…

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A: Given data, Volume of CO2 gas produced = 70.0 L Temperature = -12.0oC Pressure = 1 atm

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Q: When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced.…

A: The balanced reaction for aluminum react with concentrated hydrochloric acid is,…

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Q: . The SOHIO Ammoxidation process of propylene to acrylonitrile is given by the reaction: 2C3H6(g) +…

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Q: Use the Referen IS What volume of hydrogen gas is produced when 68.9 g of iron reacts completely…

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Q: If a 0.809 g block of sodium is placed in excess water, heat and a gas are produced.  If the gas is…

A: Balanced chemical equation: 2Na (s)  +   2H2O (l)  ------>   2NaOH (aq)   +   H2 (g) Number of…

Q: You are working in an oil refinery. Where you use hydrocarbon gases like methane (CHA), ethane (CH),…

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Q: Calculate the number of moles in 15801580 mLmL of \ce{NO2}NOX2​ at STP. Show work.

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Q: An evacuated 243ml glass bulb weighs 129.3654. Filled with an unknown gas, the bulb weighs…

A: Mass of gass =Mass of bulb with gas -Mass of evacuated bulb= 130.3667 g - 129.3654 g= 1.0013 gVolume…

Q: When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced.…

A: Since according to the above balanced reaction, 2 moles of Al is reacting to form 3 moles of H2 gas…

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Q: Refer to this equation: 2NaMnO4(aq) + H2O2(aq) + 3H2SO4(aq)  →  2MnSO4(aq)  + Na2SO4(aq)  + 3O2(g) +…

A: The given reaction is : 2NaMnO4(aq) + H2O2(aq) + 3H2SO4(aq)  →  2MnSO4(aq)  + Na2SO4(aq)  + 3O2(g) +…

Q: A student reacts 0.0905 g of magnesium with 5.15 mL of 3.00 M hydrochloric acid in a eudiometer (gas…

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Q: For gases under certain conditions, there is a relationship between the pressure of the gas, its…

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Q: Consider the unbalanced reaction shown below. What mass of elemental S is produced from the reaction…

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Q: A greenish yellow gaseous compound of chlorine and oxygen with a density of 8.14g/L at 47°C and…

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Q: 1. The following reaction occurs: 793 mL of a 0.823 M sodium sulfide solution is reacted with 0.452…

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Q: Solid ammonium chloride, NH, CI, is formed by the reaction of gaseous ammonia, NH,, and hydrogen…

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Q: Solid ammonium chloride, NHCl, is formed by the reaction of gaseous ammonia, NH3, and hydrogen…

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Q: A miner’s lamp burns acetylene (C2H2) that is produced from water dripping onto solid CaC2. The…

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Q: What volume of methane (CH,) is required to react with 129 liters of carbon tetrachloride according…

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Q: Using stoichiometry, calculate the volume of O2 gas at 1.25 atm and 18.0 ̊C, which forms when 10.5 g…

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Q: When aluminum reacts with concentrated hydrochloric acid, hydrogen gas is produced.…

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Q: n a chemical reaction 204 mL of oxygen gas at room temperature (25oC) and standard pressure used to…

A: To calculate the volume of the carbon dioxide generated

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A: Percentage of O3 molecules in the troposphere = 2.5 x 10-6 %

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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.