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Significant Figures
Units
Scientific Notation
Moles
Naming
100
What is 3?
The number of sig figs in 67.8.
100
The unit used to measure mass.
What is kilogram?
100
6 billion in scientific notation.
What is 6*10^9
100
Avogadro's number: __________
What is 6.022*10^23?
100
The charge of a sulfate ion.
What is -2?
200
The number of sig figs in 0.09.
What is 1?
200
The amount of milliliters in one liter.
What is 1000?
200
707000 in scientific notation.
What is 7.07*10^5?
200
Number of moles in 1.007 grams of Hydrogen.
What is 1?
200
Name this compound: CuCl2.
What is Copper (II) chloride?
300
The number of zeros in 0.050070304000 that are significant.
What is 11?
300
The unit used to measure heat energy.
What is joules?
300
(5.40*10^2)(45.6*10^4)
What is 2.46*10^8?
300
Convert 3.02 grams of Nitrogen gas to moles.
What is 0.2156 moles?
300
Polyatomic anions that contain oxygen.
What is an oxyanion.
400
(24.3)(5.2)-3.284. Compute with the correct number of sig figs.
What is 123.07?
400
The quantity symbol of mole.
What is n?
400
(5.56*10^-4)(7*10^-2)
What is 4*10^-5?
400
The amount of moles in 60.5 grams of sulfur.
What is 1.887 moles?
400
Name H2SO4.
What is sulfuric acid?
500
(4.23*10^5)(5.1*10^6)/2
What is 1*10^12
500
The prefix that describes the exponential factor 10^-6.
What is micro-?
500
(5.9*10^-7)/(4.3*10^-2)
What is 1.4*10^-5?
500
The grams of AlCl3 in the equation: 2Al + 6HCl -- 2AlCl3 + 3H2.
What is 266.66 grams?
500
Name CuC2H3O2.
What is Copper (I) Acetate?