What is the molar mass of CaCO3? What is the molar mass of Mg3(PO4)2?

Although the diagram is not shown, i know that the convection is heated by a the core.

Solubility would be your answer.

The correct answer is b) false

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.