how to express scientific notation to a simle number
All ionic substances are written as separate ions in solution
The state symbol aq means it dissolves in water when it is written after a chemical compound in a chemical reaction.
32.1g
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X100%
(32.1g + 16.0g + 16.0g)
It will not dissolve in water.
Answer this question… Which of the following is the best definition of a physical change?
For Apex: 2H+ + SO42- + Ca2+ +2I- -> CaSO4 + 2H+ + 2I-
molar mass of unknown/molar mass of empirial = # of empirical units in the molecular formula. Example: empirical formula is CH2O with a molar mass of 30. If the molar mass of the unknown is 180, then 180/30 = 6 and molecular formula will be C6H12O6
34.1 amu
Free radicals