Are these gases lighter than or denser than air? how can you tell?

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

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