How many moles of aluminum atoms, Al, are needed to combine with 0.332 mol of O atoms to make aluminum oxide, Al203? mol Al atoms

Q: The atomic molar mass of some elements, as shown in the periodic table, is as follows. Atomic molar…

A: moles of calcium = 3.00 molAtomic molar mass of calcium = 40.08 g/molmass of calcium = ?

Q: What mass of carbon dioxide is produced from the complete combustion of 6.80×10−3 gg of methane?…

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Q: What is the molar mass of a particular compound if 0.050 mol weighs 5.96 g?

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Q: A sample of ammonium phosphite, (NH4)3PO3, contains 0.162 mol of nitrogen atoms. The number of moles…

A: Given , ammonium phosphite  (NH4)3PO3

Q: According to the following reaction, how many moles of bromine will be formed upon the complete…

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Q: How many molecules (not moles) of NH3NH3 are produced from 7.93×10−4 gg of H2H2?

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Q: Calculate also the number of moles of NO2 produce

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Q: When 0.440 mol of aluminum are allowed to react with an excess of chlorine gas, CI 2, how many moles…

A: The reaction between the aluminium and excess chlorine to produce aluminium chloride is a redox…

Q: How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F =19.00 g/mole

A: Number of mols = Weight in gMolecular weight in g/mol Then Weight of the substance = Number of mole…

Q: Determine the molar mass of the hydrate CaCl2⋅2H2O.CaCl2⋅2H2O. molar mass:   g/mol

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Q: What is the molar mass for CO2? The molar masses are 12 g (carbon) and 16 g (oxygen).

A: Molar mass is defined as mass in grams of one mole of the compound.  1 mol of CO2 contain 1 mol of C…

Q: The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many…

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Q: A chemist requires 0.249 mol Na, CO, for a reaction. How many grams does this correspond to? mass: 8…

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Q: Magnesium reacts with oxygen to form magnesium oxide, MgO. How many moles of oxygen molecules are…

A: A balanced equation of reaction between Mg and O2 that gives MgO.

Q: Determine the limiting reactant and the mass of product for the following reaction with the given…

A: Given data : Mass of Na = 75 gms              Its molar mass = 23 g/mol Mass of Cl2 = 25 gms…

Q: A chemist requires 0.682 mol Na, CO, for a reaction. How many grams does this correspond to? mass: g…

A: Givenmoles of Na2CO3 =0.682 mol

Q: What amount in moles is 4.77x10^25 (to the power of 25) molecules?? 1.2.87x10^49 mol 2.79.2 mol…

A: Molecules = 4.77 x 1025

Q: If 4.7 kg of CO₂ are produced during a combustion reaction, how many molecules of CO₂ would be…

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Q: If 4.1 kg of CO₂ are produced during a combustion reaction, how many molecules of CO₂ would be…

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Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

A: Given: Mass of sample = 1.000 g Mass of CO2 formed = 2.579 g Mass of H₂O formed = 0.6536 g Molar…

Q: What mass in grams of O2 is required

A: Given :-  Molar mass of O2 = 32.0 g/mol  Number of moles of Mg = 4.00 mol  To calculate :-  Mass of…

Q: For the chemical reaction,   2NaOH+H2SO4⟶Na2SO4+2H2O2NaOH+H2SO4⟶Na2SO4+2H2O   what mass of…

A: The reaction is :  2 NaOH + H2SO4 ==> Na2SO4 + 2 H2O  Moles of water given = 4.87 mol  Molar mass…

Q: According to the following reaction, how many moles of chlorine gas are necessary to form 0.452…

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Q: A 1.000 g sample of an unknown compound containing only carbon, hydrogen, and oxygen was analyzed…

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Q: If the theoretical yield of a reaction is 0.102 gg and the actual yield is 9.40×10−2 gg , what is…

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Q: According to the following reaction, how many moles of carbon dioxide will be formed upon the…

A: When an element or compound reacts with oxygen and it leads to the formation of heat and light then…

Q: What mass of carbon dioxide is produced from the complete combustion of 3.20×10−3 g of methane?…

A: Given, Mass of methane (CH4) gas react = 3.20 × 10−3 g  mass of carbon dioxide (CO2) gas produced =…

Q: Elemental phosphorus occurs as tetratomic molecules, P4. What mass of chlorine gas is needed to…

A: Given that  Elemental phosphorus occurs as tetratomic molecules, P4 The mass of chlorine gas is…

Q: Assuming complete reaction, how many moles of HCl(g) can be produced from 0.100 mol of Cl2(g)?

A: H2(g) + Cl2(g) ----> 2HCl(g)  given :- 0.100 mol Cl2(g)  To calculate :- number of moles of…

Q: What is the mass in grams of NO that can be formed from 4.96 moles of NO, in the reaction below? 3…

A: The balanced chemical reaction is, 3NO2 + H2O <=> 2HNO3 + NO

Q: How many moles of Al are necessary to form 28.6 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) →…

A: Given , mass of AlBr₃  = 28.6 g Thus, moles of AlBr₃  = mass of AlBr₃ molar mass of AlBr₃  = 28.6…

Q: How many  molecules of oxygen (O2) are needed to produce 1.5  mol of NO by this reaction?

A: How many molecules of oxygen (O2) are needed to produce 1.5 mol of NO by this reaction?

Q: According to the following reaction, how many grams of hydrogen gas are necessary to form 0.154…

A: The reaction given is  Nitrogen (g) + hydrogen (g) ------> Ammonia (g)  => N2 (g) + H2 (g)…

Q: Which of the following is true about finding the molar mass of potassium sulfate, K₂SO4? A. The…

A: The molar mass of a compound can be calculated by adding the standard atomic masses (in g/mol) of…

Q: calculate the mass (g) of H2SO3 produced by the reaction.

A: Number of moles = mass/molar mass  Mass = moles × molar mass

Q: Calculate the molar mass of the following substances. Molar Mass = b. Mg3(PO4)2 Molar Mass = c.…

A: Molar mass of given compounds can be calculated as:

Q: For the chemical reaction given, how many grams of sulfuric acid, HS2O4, are needed to react…

A: Given, mass of sodium hydroxide(NaOH) reacted = 72.5 gwe know, molar mass of sodium hydroxide(NaOH)…

Q: Mass of NH4NO3 (s) + H2O (l) = 1.9871 Determine the moles of NH4NO3 in the sample. The molecular…

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Q: A chemist requires 0.298 mol Na, CO, for a reaction. How many grams does this correspond to? mass: g…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of one mole of molecules of a substance is known…

Q: For the following reaction, 2.72 grams of methane (CH4) are allowed to react with 30.4 grams of…

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Q: When 5.762 g of a compound composed of only carbon, hydrogen, and oxygen was submitted to combustion…

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Q: For the chemical reaction   2NaOH+H2SO4⟶Na2SO4+2H2O how many moles of sodium sulfate (Na2SO4) are…

A: The balanced reaction taking place is given as, => 2 NaOH + H2SO4 ------> Na2SO4 + 2 H2O

Q: A common reaction to produce involves its formation from nitrogen and hydrogen gas via the following…

A: In the given question->weight of N2=177.1 gweight of H2=55.50 g

Q: 3. When 50.0 grams of magnesium react with silver nitrate solution according to the following…

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Q: experiment

A: Given: 17.87 g CaCl2 12.51 g of CaCO3

Q: What is the mass of 3.00 · 10º particles of water? Water has a molar mass of 18.0 g/mol.

A: We have to find the mass of 3.00 X 1023 particles of water. Molar mass of Water = 18.0 g/mol