Mr(HNO3)=1*Ar(H)+1*Ar(N)+3*Ar(O)=1+14+48=63
W(H)=1*100/63=1,59%
W(N)=14*100/63=22,22%
W(O)=100-(1,59+22,22)=76,19%
Объяснение:
Mr(HNO3)=1*Ar(H)+1*Ar(N)+3*Ar(O)=1+14+48=63
W(H)=1*100/63=1,59%
W(N)=14*100/63=22,22%
W(O)=100-(1,59+22,22)=76,19%
Объяснение: