What is the percent by mass of KNO3 in a solution containing 43 g of K3PO4 dissolved in 900 g of water?

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid