Răspuns :
masa molara H2SO4=
=2+32+4×16=98g
98g H2SO4.........32 g S
9,8 g H2SO4.........x gS
x=9,8×32/98
x=313,6/98
x=3,2
=2+32+4×16=98g
98g H2SO4.........32 g S
9,8 g H2SO4.........x gS
x=9,8×32/98
x=313,6/98
x=3,2