how many moles of aluminum do you have?
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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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Each aluminum atom is about 1.48 angstroms, so we can divide. Assuming that each aluminum atom is stacked directly on another one (which they aren't, but we can't measure without making this assumption), we come up with 1.93 * 10^5 atoms thick.
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Use the periodic table to check the atomic mass, this is the number of grams per mole → 1 mole of Aluminum is 26.982 g ▪ Written as a fraction this is …
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One mole of a substance is defined by Avogadro as consisting of 6.022 x 1023 atoms.
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For the rest of the atoms on the periodic table, their molar mass tells you how many grams of each you need to have a mole of those atoms, or 6.02×1023 atoms of that element. If zinc has 1 mole, it will have 6.02×1023 .
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Now, 1 mole of Al2O3 contains 2 moles of Al. The atomic mass of aluminium is given to be 27 u. This means that 1 mole of aluminium atoms ( or aluminium ions ) has mass of 27 grams , and it contains 6.022 × 10^23 aluminium ions.
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This shows that all of the oxygen is consumed before the aluminum and when the reaction ends the reactant aluminum is left. The number of moles of Al2O3 formed is approximately 4.25 moles.
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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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How many atoms are in 6.2 moles of aluminum? I mol = 6.02X1023 atoms so 6.2 mol = 6.2x (6.02x1025) = 3.73 x1024 atoms of Al.
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Al2O3: 3 moles of oxygen are present in 1 mole of Al2O3.
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number of moles of phosphorus molecules = 124/124 = 1 mole. One mole contains 6.023 x 10 ^ 23 particles. =24.092x 10^23 atoms of phosphorus. Seems it helps.
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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.
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The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Aluminium Chloride, or 133.340538 grams.
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The answer is 0.037062379468509. We assume you are converting between moles Al and gram. You can view more details on each measurement unit: molecular weight of Al or grams The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Al, or 26.981538 grams.
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One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions).
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11.1 moles O2 are needed to react completely with 14.8 moles of Al.
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Moles and Molar Mass: In chemistry, a mole is a unit of measurement. One mole of a chemical substance contains 6.022×1023 6.022 × 10 23 molecules, protons or atoms.