how many moles of aluminum are needed to form 2.3 moles of aluminum oxide?
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How many moles of aluminum are needed to form 2.3 moles of aluminum oxide? 4Al + 3O  2Al O x mol 2.3 mol Al O | 4 mol Al = 4.6 mol Al | 2 mol Al O B.
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The subscript multiplies everything in ( ). the formula for aluminum sulfate is Al2(SO4)3. Then, in a formula unit of Al2(SO4)3 there are two aluminum ions and three sulfate ions; or two aluminum, three sulfur, and twelve oxygen atoms.
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∴ 26.5 mole of the Aluminium oxide produces (3/2) × 26.5 mole of the Oxygen. = 39.75 moles. Hence, the numbers of the moles of the oxygen produced is 39.75 moles.
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The molar mass of SiO2 is 60.1 g/mol. Use the molar mass (as the conversion unit) to determine the number of moles. So the number of moles is 0.258 mol.
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Al(NO3)3 + 3 H2O → 3 HNO3 + Al(OH)3 - Balanced equation | Chemical Equations online!
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The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles aluminum chloride, or 133.340538 grams. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between moles aluminum chloride and gram.
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To find the molar mass for any compound, including aluminum carbonate, first find the formula for said compound. In this instance, we are looking at Al2(CO3). Next evaluate each atom by number, so we have two aluminum atoms, 3 carbon atoms, and 9 oxygen atoms.
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The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles aluminum oxide, or 101.961276 grams.
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The SI base unit for amount of substance is the mole. 1 grams Aluminum is equal to 0.037062379468509 mole.
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Magnesium phosphate Mg3(PO4)2. ==> 1mole of Mg3(PO4)2 contains 8 moles of oxygen atom. ==>? moles of Mg3(PO4)2 contains 0.25 moles of oxygen atom.
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The stoichiometry of the reaction is such that 4 moles of Al are required for every 3 moles of diatomic oxygen. This means that if the ratio of Al to diatomic oxygen is greater than 4/3, then the oxygen is the limiting reagent.
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Then, in a formula unit of Al2(SO4)3 there are two aluminum ions and three sulfate ions; or two aluminum, three sulfur, and twelve oxygen atoms.
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The unit used here is the unified atomic mass unit, u . This means that the mass of one mole of aluminium atoms will be 26.982 g . As you know, one mole of any element contains exactly 6.022⋅1023 atoms of that element.
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8.40 g / 26.98 g per mole= 0.3113 moles of aluminum. Second, use the stoichiometric coefficients from the equation to convert moles of aluminum into moles of hydrogen. 0.467 moles of hydrogen * (1.008 g * 2) = 0.941 g of hydrogen. Hope this helps!
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Now, you can figure out the mass of hydrogen present in 1 mole of aluminium hydroxide by first determining how many moles if hydrogen you get in 1 mole of aluminium hydroxide. The problem tells you that the molar mass of hydrogen is equal to 1.01 g mol−1 . This means that 1 mole of hydrogen has a mass of 1.01 g .
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›› More information from the unit converter You can view more details on each measurement unit: molecular weight of Aluminium or grams The molecular formula for Aluminium is Al. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Aluminium, or 26.981538 grams.
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1 Expert Answer Assuming the Cl2 is in excess, this means that 8.70 moles of Al are required to make 8.70 moles Al Cl3 . However, from the periodic table, it is found that one mole of Al is 26.98 g of Al. So the required mass of Al is 8.70 x 26.98 = 234.7 g.