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☆☆☆☆☆Cards in this guide (4)
What Makes atoms spread around a central atom
The shared valence electron pairs repel each other.
How does one determine a molecular formula from the empirical form
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
What kind of reaction is 2H2O2 2H2O plus O2
Decomposition Reaction.
Why is the reaction SO2 plus H2O - and gt H2SO2 not balanced
The chemical equation is:
SO2 + H2O ↔ (HSO3)- + H+
The acid is hypothetic.
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