What is the mole fraction, , of solute and the molality, (or ), for an aqueous solution that is 12.0% NaOH by mass?

Forests and meadows are often cut down to make way for farms or large number of new homes. what are some of the elements of ecosystems that are lost when plants in these areas are removed?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table