Exodus
Chapter
Exodus relates the history of the Israelites from after the death of Joseph to the erection of the Tabernacle by Moses. The book includes an account of the wanderings in the wilderness of Sinai and the giving of the Law to the nation.
Exodus 15
15:23 And when they came to Marah, they could not drink of the waters of Marah, for they were bitter: therefore the name of it was called Marah.