Mr ( Al ( No3 ) 3 ) =Mr ( Ca3 ( Po4 ) 2 ) =Mr ( Mg ( H2SO4 ) 2 =

Question

Mr ( Al ( No3 ) 3 ) =
Mr ( Ca3 ( Po4 ) 2 ) =
Mr ( Mg ( H2SO4 ) 2 =

Answer 1

Mr(Al(NO₃)₃) = 27 + (14 + 16 * 3) * 3 = 213
Mr(Ca₃(PO₄)₂) = 40 * 3 + (31 + 16 * 4) * 2 = 310
Mr(Mg(H₂SO₄)₂) - нет такого соединения