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The Moletro Chemistry’s Metro Massadonia (where grams live) T-chart Particleville (where atoms and molecules live) Central Moletro Station 1 “The Mole” Central Moletro Station 2 “The Mole Ratio” Requires Golden Ticket Liter City (where volume happens) Let’s Go On a Trip! • Your Moletro tickets indicate your current location and where you want to go • For example – ticket #1 is used to go from Moles (central station) to atoms/molecule/particle (particleville) • Also on your ticket is the conversion factor (the relationship between one unit and another) Memorize the Conversion Factors!!!!! • 1 mole = 6.02 X1023 particles • 1 mole = molar mass in grams • 1 mole = 22.4 L (volume) • These are used in the 2nd column or your T-chart All Aboard the Moletro to??? Trip #1 - What is the volume of 3 moles of CH4? (need moles liters ticket) 3 moles CH4 22.4 Liters 1 mole = 67.2 Liters CH4 #2 What is the number of moles of oxygen in an 85 Liters of oxygen? (need Liters moles ticket) 85 L 1 mole = 3.8 moles 22.4 L #3 How many grams does 5 moles of 53I weigh? (need moles grams ticket) 5 moles 127 g 1 mole = 635 g #4 How many molecules are in 1.5 moles of glucose? (need moles molecules ticket) 1.5 moles 6.02 x1023 molecules 1 mole = 9.03 x 1023 molecules #5 How many moles is 88 g of CO2? (need g moles ticket) (molar mass of CO2 = 12 + 2 (16) = 44g) 88 g 1 mole 44 g = 2 moles #6 How many moles is 176 g of CO2? (need g moles ticket) – First I need to calculate grams of CO2. 12 + 2( 16) = 44 g 176 g 1 mole 44 g = 4 moles One Mole can equal 3 different things 1. 6.02 X 1023 atoms or molecules 2. The mass of any element or molecule in grams 3. 22.4 Liters of any gas • Since the mole can equal any one of these, it can also serve as a bridge to convert from one to another of them.