Mole Calculations 2 Molar Mass The atomic mass

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Mole Calculations 2

Mole Calculations 2

Molar Mass The atomic mass of an element is the relative mass compared to

Molar Mass The atomic mass of an element is the relative mass compared to Hydrogen. The unit is the atomic mass unit or amu. The molar mass is the mass of one mole of particles and the unit is grams/mole.

Formula 1 H He CO 2 Mass (amu) 1. 0 amu 4. 0 amu

Formula 1 H He CO 2 Mass (amu) 1. 0 amu 4. 0 amu Molar Mass (g/mol) 1. 0 g/mole 4. 0 g/mole

The molecular mass is the molar mass of a covalent Compound. CO 2 1

The molecular mass is the molar mass of a covalent Compound. CO 2 1 ( 12. 0 amu) + = 44. 0 amu 2 (16. 0 amu)

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1.

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1. 0 g/mole 4. 0 g/mole CO 2 44. 0 amu 44. 0 g/mole 1 H Fe 2 O 3

The formula mass is the molar mass of an ionic compound. Fe 2 O

The formula mass is the molar mass of an ionic compound. Fe 2 O 3 2 (55. 8 amu) + 3 (16. 0 amu) = 159. 6 amu

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1.

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1. 0 g/mole 4. 0 g/mole CO 2 44. 0 amu 44. 0 g/mole 1 H Fe 2 O 3 159. 6 g/mole Ni 2(CO 3)3 297. 4 g/mole Al(NO 3)3. 5 H 2 O

Al(NO 3)3. 5 H 2 O 1 ( 27. 0) + 3 (14. 0)

Al(NO 3)3. 5 H 2 O 1 ( 27. 0) + 3 (14. 0) + 9 (16. 0) + 10 (1. 01) + 5 (16. 0) Al N O H O 303. 1 g/mole Note H is 1. 01 due to 1 H and 2 H

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1.

Formula Mass (amu) Molar Mass (g/mol) He 1. 0 amu 4. 0 amu 1. 0 g/mole 4. 0 g/mole CO 2 44. 0 amu 44. 0 g/mole H Fe 2 O 3 297. 4 g/mole Ni 2(CO 3)3 297. 4 g/mole Al(NO 3)3. 5 H 2 O 303. 1 g/mole

The molar mass is a new conversion factor that can convert between grams and

The molar mass is a new conversion factor that can convert between grams and moles Avogadro’s number is another conversion factor that can convert between moles and particles Particles 1. 00 mole = 6. 02 x 1023 particles Moles Grams Molar Mass From Periodic Table ? g / mole

Convert 56. 6 grams of C to moles. 56. 6 g x 1 mole

Convert 56. 6 grams of C to moles. 56. 6 g x 1 mole 12. 0 g = 4. 72 moles Don’t forget sig figs! 3 sig figs

Convert 6. 9 moles of Pb. O 2 into grams 6. 9 moles x

Convert 6. 9 moles of Pb. O 2 into grams 6. 9 moles x 239. 2 g 1 mole = 1. 7 x 103 g

Two Step Mole Calculations

Two Step Mole Calculations

Convert 2. 00 g CH 4 into molecules grams 2. 00 g CH 4

Convert 2. 00 g CH 4 into molecules grams 2. 00 g CH 4 x moles 1 mole 16. 04 g x molecules 6. 02 x 1023 molecules 1 mole = 7. 51 x 1022 molecules

Convert 9. 56 x 1026 molecules Cl 2 into grams. molecules 9. 56 x

Convert 9. 56 x 1026 molecules Cl 2 into grams. molecules 9. 56 x 1026 molec Cl 2 moles x 1 mole 6. 02 x 1023 molec grams x 71. 0 g 1 mole = 1. 13 x 105 g

Convert 692. 5 grams Na 2 CO 3 into formula units. g 692. 5

Convert 692. 5 grams Na 2 CO 3 into formula units. g 692. 5 g Na 2 CO 3 moles x 1 mole 106. 0 g formula units x 6. 02 x 1023 FU 1 mole = 3. 93 x 1024 FU

Convert 8. 66 x 1024 formula units Ca. Cl 2 into grams formula units

Convert 8. 66 x 1024 formula units Ca. Cl 2 into grams formula units 8. 66 x 1024 FU Ca. Cl 2 moles x 1 mole 6. 02 x 1023 FU Happy Mole day to You g x 111. 1 g 1 mole = 1. 60 x 103 g