Ответ:
1
XO
M(XO)=81
M(X)=(81-16)=65
X-Zn-цинк
2
X(OH)3
M(X(OH)3)=(1+16)*3=51
M(X)=121-51=70
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Ответ:
1
XO
M(XO)=81
M(X)=(81-16)=65
X-Zn-цинк
2
X(OH)3
M(X(OH)3)=(1+16)*3=51
M(X)=121-51=70