A saturated solution of NH4CL was prepared in 100 g H2O. When the solution is cooled from 40 to 20°C, how many grams of precipitate formed

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Large areas on the leaves of some plants lack chlorophyll and are therefore not green in color. how does this most likely affect photosynthesis? not enough sunlight is captured in these areas of the leaves. carbon dioxide cannot enter these areas of the leaves. too much glucose builds up in these areas of the leaves. oxygen cannot be released in these areas of the leaves.

What volume of a a 6.0 m naoh solution would you need to prepare 250.0 milliliter of a 3.0 m na oh solution