Whats a mixture of minerals, volcanic glass, organic matter, or other material?

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Calculate the number of molecules present in 0.750 mol of mgo.