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Chemistry- Quantitative Chemistry

  1. List the Atomic Ions: with a +1 charge
    NH4
  2. List the Atomic Ions: with a -1 charge
    • OH
    • ClO3
    • CH3COO
    • NO3
    • NO2
    • MnO4
    • HCO3

    HSO4
  3. List the Atomic Ions: with a charge of -2
    • CO32
    • SO42
    • Cr2O72
    • SO32
  4. List the Atomic Ion: with a charge of -3
    PO4
  5. The definition of the mole
    Amount of substance, expressed in grams which contains as many elementary particles as there are in 12g of Carbon
  6. Give the equation to find a mole with Mass and Molar Mass
    Image Upload 1
  7. What is Avogadro's number (NA) =?
    NA= 6,02 X 1023
  8. Give the equation to find a mole with Particles 
    Image Upload 2
  9. What is Molar Volume?
    Volume occupied by 1 mol. of any gas at standard temperature and pressure.
  10. What is Vm=?
    Vm= 22.4 dm3
  11. Give the equation to find a mole with gas
    Image Upload 3
  12. How do you convert from cm3 to dm3    
    cm3 divided by 1000
  13. What is a solute?
    A substance that's dissolved in the solvent to form a solution.
  14. What is a solvent?
    A substance which the solute is dissolved in to form a solution
  15. What is dissociation?
    Ions removed from the ionic lattice
  16. What is ionization?
    Form ions in a solution
  17. How do you calculate the concentration of a substance?
    Image Upload 4
  18. What are mole ratios?
    Between reactants and products used during stoichiometric calculations 
  19. How to find the limiting Reagents?
    • Find the moles of the reactants
    • Work out the mole ratio
    • The smallest = limiting reagent
  20. Formula for percentage yield
    Image Upload 5
  21. Important rule to find things!
    • Always fine the mole first
    • Then do the mole ratio
    • and finally find the unknown quantity 
Author
Anonymous
ID
332713
Card Set
Chemistry- Quantitative Chemistry
Description
Quantitative chemistry- the basics
Updated

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