Chemistry - Chp 10 - Chemical Quantities - Study Guide
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Chemistry - Chp 10 - Chemical Quantities - Study Guide

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Chemistry - Chp 10 - Chemical Quantities - Study Guide Chemistry - Chp 10 - Chemical Quantities - Study Guide Document Transcript

  • Name ______________________________________Chapter 10 Study Guide• What is a mole?• Know how to determine the number of any type of atom in a molecule?Ex.) How many hydrogen atoms in CH4CH2OH• Describe how you find the molar mass of a compound.Ex.) Find the molar mass of C3H8• Describe how to calculate the amount of grams in a given amount of moles.Ex.)• Describe how you find the amount of moles there are in a given number of grams?Ex.) How many moles are there in 7.23 g of NaOH?• Describe how you would find the mass for one molecule of a given substance.Ex.)• How do you find the number of molecules in a given amount of moles?Ex.)• How do you find the number of molecules in a given amount of grams?Ex.)• What is STP? What volume does one mole of gas at STP occupy?• Describe how you would calculate the volume of gas present in a given amount of moles of gas at STP.Ex.)• Describe how you would calculate the number of moles present in a given volume of gas at STP.Ex.)• Describe how you would calculate the volume of a given mass of gas at STP.Ex.)• How do you find the density of a gas at STP?Ex.)
  • • Describe how you would calculate the percent composition of each component of a compound?Ex.)• What is an empirical formula? Know how to write empirical formulas from molecular formulas if possible.• What is a molecular formula?• Describe how you can calculate the empirical formula of a compound based on its percent composition.Ex.)• Describe how you could calculate the molecular formula based on its empirical formula.