Sodium phosphate is added to a solution that contains 0.0076 M aluminum nitrate and 0.047 M calcium chloride. The concentration of the first ion to precipitate (either Al3 or Ca2 ) decreases as its precipitate forms. What is the concentration of this ion when the second ion begins to precipitate

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.