Mole Map Representative Volume of Gas Particles (STP) 0o C 1 atm

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Presentation transcript:

Mole Map Representative Volume of Gas Particles (STP) 0o C 1 atm 6.02 X 10 23 22.4L 1mole Atoms Ions Molecules Formula Units 1 mole 22.4L 6.02 X 10 23 1 mole MOLE must find from periodic table GFM 1 mole 1 mole GFM – must find from periodic table Mass GFM = Gram Formula Mass or molar mass or atomic mass

hints x x = Write down what you start with in the given Write down what you are going to in the given Find the correct conversion factor from mole map Write it down in the formula area Multiply the given by the formula Do the math Keep up with units cross out Good Given For Formula Something Solve (do the math) 181 g Au --- start Mass How many atoms of Au----------going to 1 mole Au 196.97g Au GFM of Au Find in period table 6.02 x 10 23 atoms Au 1 mole Au x x = 5.53x1023 atoms Au

STP = Standard Temperature and Pressure is defined as air at 0oC (273.15 K, 32oF) and 1 atm (101.325 kN/m2, 101.325 kPa, 14.7 psia, 0 psig, 30 in Hg, 760 torr)

GFM= Gram Formula Mass H20 Formula Number of Moles X Molar Mass = Number of grams H 2 Moles 1.01 g 2.02g 0 1 Mole 16.00 g 16.00g 18.02g/mol

Quiz Determine the number of atoms in 3.75mol Fe. How many moles of Ag contains 4.59 x 1025 atoms Ag Calculate the mass in grams of 125 mol of neon.

4. How many moles of titanium are contained in 71.4g? 5. What is the mass in grams of 3.75 x 1021 atoms Li?

Key 2.26 x 10 24 atoms Fe 76.2 mol Ag 2.52 x 10 3 g Ne 1.49 mol Ti Show Work 2.26 x 10 24 atoms Fe 76.2 mol Ag 2.52 x 10 3 g Ne 1.49 mol Ti 4.32 x 10 -2 g Li

3.75 mol Fe X 6.02 x 10 23 atoms = 1mole 2.26 x 10 24 atoms Fe