Question

дано: Al(OH 3). найти m(Al):m(O):m(H)

Answer 1

Al(OH)3
w(Al)=1*27/78=0,35
w(Al)=35 %
w(O)=3*16/78=48/78=0,615
w(O)=61,5 %
w(H)=3,5%