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How many atoms of aluminum are present in 1.423 moles of aluminum?

How many atoms of aluminum are present in 1.423 moles of aluminum? Note that Avogadro’s number is 6.022 x 10 23 . 7.115 x 10 22 b) 1.327 x 10 23 c) 4.262 x 10 23 d) 8.571 x 10 23 e) 3.174 x 10 24. How many moles of silicon are present if you have 4.623 x 10 24 silicon atoms?

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How many atoms of aluminum are present in 1.423 moles of aluminum?

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  1. How many atoms of aluminum are present in 1.423 moles of aluminum? Note that Avogadro’s number is 6.022 x 1023. 7.115 x 1022 b) 1.327 x 1023 c) 4.262 x 1023 d) 8.571 x 1023 e) 3.174 x 1024

  2. How many moles of silicon are present if you have 4.623 x 1024silicon atoms? Note that Avogadro’s number is 6.022 x 1023. 1.598 mol b) 4.024 mol c) 7.677 mol d) 9.322 mol e) 11.15 mol

  3. What is the mass of 5.273 mol of iron? The atomic weight of iron is 55.85 g/mol. 12.41 g b) 48.15 g c) 141.9 g d) 294.5 g e) 416.3 g

  4. How many moles of magnesium are present in 62.48 g of magnesium? The atomic weight of magnesium is 24.31 g/mol. a) 1.373 mol b) 2.570 mol c) 3.995 mol d) 8.821 mol e) 11.23 mol

  5. How many zinc atoms are present in 27.19 g of zinc? The atomic weight of zinc is 65.38 g/mol, and Avogadro’s number is 6.022 x 1023. 2.504 x 1023 b) 3.955 x 1023 c) 5.822 x 1023 d) 9.127 x 1023 e) 3.647 x 1024

  6. What is the mass of 9.583 x 1021 lead atoms? The atomic weight of lead is 207.2 g/mol and Avogadro’s number is 6.022 x 1023. 1.227 g b) 2.305 g c) 3.297 g d) 4.182 g e) 6.016 g

  7. How many moles of H2O are present in 72.15 g of H2O? Atomic weights: H 1.008 O 16.00 1.183 mol b) 1.854 mol c) 2.672 mol d) 4.005 mol e) 7.124 mol

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