18
CS2 Na2S AI2S3 BeS
19
MnO
M(MnO)=71
w(Mn)=55*100/71=77,5%
MnO2
M(MnO2)=87
w(Mn)=55*100/87=63,2%
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Verified answer
18
CS2 Na2S AI2S3 BeS
19
MnO
M(MnO)=71
w(Mn)=55*100/71=77,5%
MnO2
M(MnO2)=87
w(Mn)=55*100/87=63,2%