СРОЧНО ДАЮ 65 БАЛОВ
Ответ:
M(S4) = 32*4 = 128 g/mol
M(CaO) = 40 + 16 = 56 g/mol
M(MgCL2) = 24 + 35.5 * 2 = 95 g/mol
M(CO2) = 12+16*2 = 44 g/mol
M(SO3) = 32+16*3= 80 g/mol
Объяснение: