What volume of hydrogen at STP is produced when 2.5 g of zinc react with an excess of hydrochloric acid? Zn + 2 HCI > ZnCl2 + H2
1.72 L
0.86 L
0.58 L
0.43 L

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

Why do electrons further from the nucleus have more energy