Since there are 63.01284 grams to one mole of HNO3, then 12.5 moles would be in 450 grams of it.
Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. However, it varies greatly from the alkali metals as it forms cations (H+) more reluctantly than the other alkali metals.Aug 15, 2020
Electronic Configuration: 1s
At Room Temperature: Colorless & Odorless Diatomic Gas
Atomic Weight: 1.0079
Because they believed that heavenly bodies’ circular motions where caused by their being attached to unseen resolving solid spheres
Friction is the force that slows down a ball, if their were no friction, it would not stop.
Answer: friction
