Factual error: Hydrofluoric acid is so dangerous that no high school chemistry lab in the US would have a thimble full of the stuff around, let alone gallons. While it's incredibly toxic it's also a very poor choice for getting rid of bodies, which Walt would know.
Suggested correction: Walt also has never had to dump a body before. Hydrochloric acid would dissolve enough of the body to make it unrecognizable and easier to move, especially in a proper container where it can be transported. Plus this acid was more readily available to Walt and Jesse at this point in the series.
This isn't a valid correction. First, hydrofluoric acid was used, not hydrochloric acid. Second, just because Walt never had to dissolve a body doesn't mean he thinks it would. He should know as a chemist that it wouldn't. Third, you missed the point that no high school would have hydrofluoric acid on hand. So how can that be more readily available than something common and effective like lye.
Factual error: When the planes crash over Albuquerque, when the bear is falling towards Walt's house, there is a quick shot of Albuquerque suburbia and mountains. Two major streets are visible, the one on the right is Eubank Blvd and the one in the lower left is Wyoming Blvd, both which run north and south through the city. This means the shot is facing north. There are no mountains immediately north of Albuquerque as shown. The closest mountain range, the Sandia Mountains, are on the east side and wouldn't be in that shot. The closest mountain range in the north are the Jemez Mountains, which are 40 miles away. They would barely be visible in that shot (they would look like blue hills in the distance).
Factual error: On the radar screen, a flight, SAA332 is seen. SAA is the icao code for South African Airways, which did not serve any city near Albuquerque in 2009.
