Решите пример Al(OH)3 w(O) w(H) w(Al)

Question

Решите пример Al(OH)3 w(O) w(H) w(Al)

Answer 1

Mr(Al(OH)3)=27+16*3+3 = 78
ω(Al)=27/78=35%
ω(O)=(16*3)/78=62%
ω(H)=3/78=4%