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- 1. Multiple ChoiceWhat is the mole used for?To measure the amount of grams in a substanceTo measure the amount of atoms or molecules in a substanceTo measure the amount of energy in a substanceTo measure the amount of bonding in a substance
- 2. Multiple ChoiceWhat is Avogadro's Number?6.02 x 1023- 6.02 10236.02 x 10226,020,000,000,000
- 3. Multiple ChoiceWhat is the molar mass of H2O?6.02 x 102316 grams18 grams15.99999 grams
- 4. Multiple ChoiceWhat is the molar mass NaCl?58 grams22.95 grams162 grams6.02 x 1023
- 5. Multiple ChoiceHow many atoms are in 1 mole of NaCl?6.02 x 1023581117
- 6. Multiple ChoiceHow many moles are in 32 grams of Oxygen (O)?3214
- 7. Multiple ChoiceHow many moles are in 20 grams of Ca (Calcium)?0.51320
- 8. Multiple ChoiceHow are the mole and atomic masses of elements related?The atomic mass of any substance is always equal to 1 mole of that substanceThe atomic mass added up with itself by 6.02 x 1023 equals the amount of atomsThe atomic mass is the amount of protons plus number of atomsAtoms combined make up molecules, which are the measurement of atomic masses
- 9. Multiple Choice
What is the molar mass when you have 4 moles of CO2?
176 grams
54 grams
128 grams
280 grams
- 10. Multiple ChoiceWhat do two or more Avogadro's make?Guaca-MOLEChemistry = funHagerman more crazyYou snapchatting your life away
- 11. Multiple Choice
What is the difference between the atomic mass of an element and the molar mass of a compound?
The atomic mass is the added sum of ALL of the elements
The molar mass can be either the added sum of ALL the masses or the mass of a particular element
The molar mass and the atomic mass are always the same
The atomic mass of a compound is the average of H2O
- 12. Multiple Choice
Why is the mole used to measure the atom?
Atoms are extremely tiny particles, and their size varies from element to element
Atoms are all the same size for every element
Some atoms cannot be counted using the mole
Tu eres loco, Senior Hagerman.
- 13. Multiple Choice
The mole is a...
Unit to measure the amount of atoms in a substance
Unit to measure distance
Unit to measure time of atomic decay
Unit used to measure the size of each atom in a substance
- 14. Multiple Choice
What is this number called?
Avocado's Number
Avogadro's Number
Mendeleev's Number
The mole
- 15. Multiple Choice
The mole can be used to measure (SELECT ALL CORRECT ANSWERS)
The amount of atoms
The amount of molecules or compounds in a substance
The amount of particles
The amount of fission or fusion decay over time
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