Question

H2SO3,NaCL массовая доля решить

Answer 1

1)

M(H₂SO₃)=82

ω(H)=2*100%/82=2.44%

ω(S)=39.02%

ω(O)=58.54%

2)

M(NaCl)=58.5

ω(Na)=39.32%

ω(Cl)=60.68%