Why is it less effective to wash an insoluble precipitate with 15 ml of water once, than it is to wash the precipitate with 3 ml of water 5 times

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

I’m an electrically neutral atomic any element, there are equal numbers of

Which substance can be broken down by chemical means