Объяснение:
Mr(HNO3) = 1+14 + 16*3 =63
W(H) = Ar(H) *n / Mr(HNO3) *100% = 1*1 / 63 *100% =2%
W(N) = Ar(N) *n / Mr(HNO3) *100% = 14*1 / 63 *100% =22%
W(O) = Ar(O) *n / Mr(HNO3) *100% = 16*3 / 63 *100% = 76%
Объяснение:
Mr(HNO3) = 1+14 + 16*3 =63
W(H) = Ar(H) *n / Mr(HNO3) *100% = 1*1 / 63 *100% =2%
W(N) = Ar(N) *n / Mr(HNO3) *100% = 14*1 / 63 *100% =22%
W(O) = Ar(O) *n / Mr(HNO3) *100% = 16*3 / 63 *100% = 76%