
The Mole
Quiz by Donna Donohue
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30 questions
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- Q1How many molecules are in a mole6.0223it depends on the substance6.02 X 102330s
- Q2How many atoms are in a mole of Chlorine6.03 X 10236none12.0130s
- Q3What is the molar mass of Lithium?3 g/mol6.94 g/molLi6.02 # 102330s
- Q4A mole of pennies can fit inside your book bag. true or false?truefalse30s
- Q5A mole of zinc will fit inside the palm of your hand. True or False?TrueFalse30s
- Q6What is the molar mass for O28 g/mol2 g/mol16.00 g/mol32.00g/mol45s
- Q7What is the molar mass for Li2O14 g/mol29.8 g/mol22.9 g.mol32.0 g/mol60s
- Q8What is the unit for molar mass?molg/molmol/gg30s
- Q9To figure out the molar mass of a compound you would need to...make a bridgepart/whole X 100percent to mass/mass to mole/ divide by smallest/multiply until wholeadd the masses of all the elements30s
- Q10To find the percent composition of an element in a compound you would usepart divided by whole X 100add the masses of all the elementspercent to mass/mass to mole/divide by smallest/multiply until wholemake a bridge30s
- Q11Percent composition tells you...How much of the compound is made up a of certain element by massthe mass of the elementthe total percentage of the compoundthe total mass of the compound30s
- Q12When finding the percent composition of oxygen in S2O3 you would use the mass of2 X 16.0 (the mass of 2 oxygens)the mass of 1 oxygenno mass3 X 16.0g (the mass of 3 oxygens)30s
- Q13How many liters are in a mole?6.02X1023molar mass122.430s
- Q14The molar mass of an element is equal to6.03X1023 moles of the elementthe atomic number of the element1 mole of the element30s
- Q15The empirical formula isalways different from the molecular formulathe least reduced form of the molecular formulaalways the same as the molecular formulathe most reduces form of the molecular formula30s