Complete and balance the perception reactions. include physical states. k3po4(aq)+mgcl2(an)

Compounds K3PO4  and MgCl2  are soluble in water , as phosphates of alkali metal cations are soluble in water and chlorides  Of Mg²⁺ are soluble in water . So , they dissociate into ions.

Ions K⁺ and  Cl⁻ combine to form  KCl  , soluble compound.

Ions PO₄³⁻  and Mg²⁺ combine to  form Mg3(PO4)2 ,  a precipitate  as phosfates of Mg²⁺ are insoluble  in water

Thus , the balanced equation , is:

2 K3PO4(aq) + 3  MgCl2(aq ) >  6 KCl(aq)  + Mg(PO4)2(s)

it is called acid bonding

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e