Question

Am nevoie de ajutor.. help
Dau coroana!

Answer 1

Răspuns:

1).

S+ O2=> SO2

SO2 + H2O => H2SO3

2).

ms=246g

C=20%

md=ms×C/100=246×20/100=49,2g H2SO3

MH2SO3= 2×1+32+3×16=82g/mol

MSO2=32+2×16=64g/mol

64g......................82g

SO2 + H2O => H2SO3

xg............................49,2g

x=49,2×64/82=38,4g SO2

MS=32g/mol

32g...............64g

S + O2 => SO2

yg .................38,4g

y=38,4×32/64=19,2gS