Ответ:
Объяснение:
Mr(NaHCO3) = 23 + 1 + 12 + 16*3 =84
W(Na) = Ar(Na) *n / Mr(NaHCO3) *100% = 23*1 / 84 *100% =27%
W(H) = Ar(H) *n / Mr(NaHCO3) *100% = 1*1 / 84 *100% =1%
W(C) = Ar(C) *n / Mr(NaHCO3) *100% = 12*1 / 84 *100% = 14%
W(O) = Ar(O) *n / Mr(NaHCO3) *100% = 16*3 / 84 *100% =58 %
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Ответ:
Объяснение:
Mr(NaHCO3) = 23 + 1 + 12 + 16*3 =84
W(Na) = Ar(Na) *n / Mr(NaHCO3) *100% = 23*1 / 84 *100% =27%
W(H) = Ar(H) *n / Mr(NaHCO3) *100% = 1*1 / 84 *100% =1%
W(C) = Ar(C) *n / Mr(NaHCO3) *100% = 12*1 / 84 *100% = 14%
W(O) = Ar(O) *n / Mr(NaHCO3) *100% = 16*3 / 84 *100% =58 %