Ответ:
Объяснение:
Mr(KAl(SO4)2) = 39+27+32*2 +16*8 =258
W(K) = Ar(K) *n / Mr(KAl(SO4)2) *100% = 39*1 /258 *100% =15%
W(Al) = Ar(Al)*n / Mr(KAl(SO4)2 *100% = 27*1 / 258 *100% =10%
W(S) = Ar(S) *n / Mr(KAl(SO4)2) *100% = 32*2 / 258 *100% =25%
W(O) = Ar(O) *n / Mr(KAl(SO4)2) *100% = 16*8 /258 *100% =50%
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Ответ:
Объяснение:
Mr(KAl(SO4)2) = 39+27+32*2 +16*8 =258
W(K) = Ar(K) *n / Mr(KAl(SO4)2) *100% = 39*1 /258 *100% =15%
W(Al) = Ar(Al)*n / Mr(KAl(SO4)2 *100% = 27*1 / 258 *100% =10%
W(S) = Ar(S) *n / Mr(KAl(SO4)2) *100% = 32*2 / 258 *100% =25%
W(O) = Ar(O) *n / Mr(KAl(SO4)2) *100% = 16*8 /258 *100% =50%