Дано Al (OH)2 ------------ W(Al)-? W(H)-? W(O)-?

Question

Дано
Al (OH)2
------------
W(Al)-?
W(H)-?
W(O)-?

Comments

Al (OH)3

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а, точно

Answer 1

М(al(oh)3)=27+48+3=78
W(al)=27/78=0,35
W(o)=48/78=0,6
W(h)=3/78=0,04