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Problem
Ammonia,
NH
3
\text{NH}_3
NH
3
, can react with boron trifluoride,
BF
3
\text{BF}_3
BF
3
, to form ammonia boron trifluoride,
NH
3
BF
3
\text{NH}_3\text{BF}_3
NH
3
BF
3
. Draw a Lewis formula of ammonia boron trifluoride and show the coordination bond using an arrow.
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