Section 3: Mole Conversions

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Presentation transcript:

Section 3: Mole Conversions Sections 10.1 to 10.2 in text

1 mole = 6.022 x 1023 (This is known as Avogadro’s Number) Mole to particle Conversion: Find number of particles that are in 20 moles of H2O2:

Molecular Weight: The mass of a material per mole of substance Find the molecular weight of the following materials: NaCl CaCO3 Fe(NO3)2

Mass and Mole Conversions Mass to Moles 1) Convert 20 grams of NaCl to moles: Moles to Mass 2) Convert 10 moles to CH4 to grams:

Text Problems Mole Problems: Pg 296 (9-15) Mass to Mole: Pg 315: 53-54 & (58-59) ***73*** ***93***

Go to worksheet

Warm Up: Find the mass of 3.7x1021 molecules of KNO3

Warm-Up Find the molecules in 2.8 moles of NaCl: Find the mass of 77 moles of KCO3: Find the mass of 7.1x1022 molecules of H2O2 :

Conversion Calculation Quiz (7 pts each) Find the number of moles in 3.5 grams of NO2 Find the mass of 70 moles of C: 3) Find the mass of 2.2x1021 molecules of CO2