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All numbers are expressed as a product of a number between 1 and 10 and a whole number power of ten.
A unit of concentration equeal to the number of moles of solute in a cubic decimeter of a solution.
The sum of the atomic masses of all atoms in the formula unit of an ionic compound is the ___.
9.63 X 10 to the twenty third power
How many molecules of sulfur dioxide are present in 1.6 moles of sulfur dioxide?
Which of the following units is used to represent the chemical quantity of a substance as a number of particles?
If one molecule of CO2 has a mass of 44 u, what is the mass of 6.02 X 10 to the twenty third power molecules of CO2?
volume of the solution in cubic decimeters
Molarity is the ratio between the moles of dissolved substance and the ___.
Atoms and molecules are extremely small
Which of the following statements explain why chemists do not count atoms and molecules directly?
What is the concentration of a solution that contains 90.3 g of MgSO4 in 5.00 X 10 squared cm cubed?
Which of the following could be used as a conversion factor in solving a problem by the factor-label method?
Symclosene, a disinfectant used in household cleaners, has an empirical formula of CCINO and a molecular mass of 232.432 u. What is the molecular formula of symclosene?
A crystalline substance that contains water molecules in a definite ratio with each formula unit is a(n) ___.
1.20 X 10 to the twenty fifth power.
The formula for borax is 2(Na2B4O-) X 10H2O. The number of water molecules in two moles of borax formula units is ___.
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