What is the experimental molar mass (that is, calculated from the data given and not taken from the periodic table) of magnesium if 0.0278 grams of magnesium generates 28.92 mL of hydrogen at 22.2 °C with a hydrogen partial pressure of 727.5 torr? Note that the partial pressure of water vapor has already been subtracted from the total pressure.

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A:

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A: Given;

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Q: Use your balanced chemical reaction from the above problem.   How many kilograms of the barium…

A: Given,  Ba(NO3)2 + K2SO4 ---> BaSO4 + 2KNO3 Mass of Ba(NO3) = 675.00 pounds.  The mass of barium…

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A: First Calculate the moles of H2 :  moles of H2 = ( mass / molar mass of H2 )  moles of H2 = ( 15.6 g…

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Q: Give the reaction type: CaCl2•3H2O (s) + ∆  ⟶ CaCl2 (s) + 3H2O (g)

A: In the given chemical reaction in which heating take place, 3 molecules of water realeases which is…

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A:

Q: 2. The mass of an "empty" flask with its rubber stopper (the mass of air has already been…

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A: Balanced chemical equation Balanced chemical equation can be define as the reaction in which number…

Q: Calculate Kc for the reaction.

A:

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A: Given , Mass of water = 0.64 g Molar mass of water = 18.0 g/mol Moles of water = mass / molar mass…

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Q: Calculate the mass of aluminum hydroxide required to make  7.0kg  of aluminum.

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A: The given equilibrium reaction is as follows: 2SO3(g) + CO2(g) ⇌ CS2(g) + 4O2(g) The initial moles…

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A: 75% SiO2 by mass means 75 g of SiO2 is present in 100 g of glass. Now Calculate the mass of SiO2 in…

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A: Calculate the mass of a chemical compound from the given number of moles.

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A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

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A:

Q: Carry only 1 decimal point on all atomic weights (X.X). What is the mole fraction of O2 in a mixture…

A: Given : Mass of N2 = 283.6 g Mass of O2 = 145.1 g And mass of CO2 = 5.111 g

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A:

Q: Regarding the combustion of gasoline, 2C8H18 (l) + 25O2 (g) --> 16CO2 (g) + 18H2O (g) How could…

A: Gasoline is an hydrocarbon. Thus by the combustion of gasoline, Carbon dioxide and water is formed.…

Q: A commercial 737 jet transporting 143 passengers and 5 crew members from Kansas city (MCI) to…

A: Given data,Mass of fuel=11800lbwe know,1lb=453.592gMass of fuel=11800×453.592g=5352390gC:H=1:2