Ответ:
дано
W(Na) = 27,4%
W(H) = 1.2%
W(C) = 14.3%
w(O) = 57.1%
---------------------
NaHCO - ?
27.4 / 23 : 1.2 / 1 : 14.3 / 12 : 57.1 / 16 = 1.2: 1.2:1.2 3.6
Na : H : C : O = 1 : 1 : 1 : 3
NaHCO3
Объяснение:
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Verified answer
Ответ:
дано
W(Na) = 27,4%
W(H) = 1.2%
W(C) = 14.3%
w(O) = 57.1%
---------------------
NaHCO - ?
27.4 / 23 : 1.2 / 1 : 14.3 / 12 : 57.1 / 16 = 1.2: 1.2:1.2 3.6
Na : H : C : O = 1 : 1 : 1 : 3
NaHCO3
Объяснение: