1. K reacts with HCl (hydrochloric acid) to produce KC1 (potassium chloride) and H2 (hydrogen gas). How much K (in grams) would you need to make 10 g of H2?​

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h