Question

Mr(Ca2IOH)PO4)помогитееее​

Answer 1

Mr(Ca2IOH)PO4) = Ar(Ca) * 2 + Ar(I) + Ar(H) + Ar(O) * 5 + Ar(P) = 40 * 2 + 127 + 1 + 16 * 5 + 31 = 80 + 127 + 1 + 80 + 31 = 319