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Using conversion factors for atoms and compounds

Learn how to convert between atoms, molecules, moles, and grams in chemistry using CH4 (methane) as an example.

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Using conversion factors for atoms and compounds

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  1. Using conversion factorsfor atoms and compounds

  2. 6.0 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many moles of hydrogen are in 24 moles of CH4? 24 mols CH4mols H 96 = ( ) 4 mol H mol CH4

  3. 6.0 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many moles of CH4 contain 24 moles of hydrogen? 24 mols H mols CH4 6.0 = ( ) 1 mol CH4 4 mol H

  4. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many atoms of hydrogen are in 20. moles of CH4? 20. mols CH4 atoms H = 4.8 x 1025 ( ) 4 mol H 1 mol CH4 ( ) 6 x 1023 H 1 mol H

  5. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many moles of CH4 moleculescontain 7.2 x 1024 atoms H? 7.2 x 1024 H mol CH4 = 3.0 ( ) 1 mol H 6 x 1023 H ( ) 1 mol CH4 4 mol H

  6. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many grams of CH4 contain 4.5 grams of H? 4.5 g H g CH4 ( ) = 18 16 g CH4 4.0 g H

  7. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many grams of H are in 3.5 grams of CH4? 3.5 g CH4 g H ( ) = .88 4.0 g H 16 g CH4

  8. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many moles of C are in 480 grams of CH4? ( ) ( ) 480 g CH4 mole C 30. = 75 g C 100 g CH4 1 mole C 12 g C

  9. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many moles of CH4 contain 48 grams of H? ( ) ( ) 48 g H mole CH4 12 = 1 mole H 1.0 g H 1 mole CH4 4 mole H

  10. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many molecules of CH4 contain 48 grams of H? ( ) ( ) ( ) 48 g HCH4 = 1 mole H 1.0 g H 1 mole CH4 4 mole H 6 x 1023 CH4 mole CH4 7.2 x 1024

  11. 6 x 1023 CH4 1 mol CH4 1 molC molCH4 4 mol H mol CH4 16 g CH4 mol CH4 4.0 g H mol CH4 12 g C mol CH4 4.0 g H 16 g CH4 25 g H 100 g CH4 12 g C 16 g CH4 75 g C 100 g CH4 = = How many grams of CH4 contain 4.8 x 1024 atoms of H? ( ) ( ) ( ) 4.8x 1024 H = 1 mole H 6 x 1023H 1 mole CH4 4 mole H 16 g CH4 mole CH4 32 g CH4

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