If 20.0 g of magnesium react with excess hydro chloric acid how many grams of magnesium chloride will be produced

78.9g

Explanation:

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .

the awnser is group 12