Question

Cate grame de sulf se afla in 19,6g H2So4? AS =32 AO =16 SI Ah =1

Answer 1

Răspuns:

Explicație:

19,6 g H2SO4

g S

MH2SO4= 2+32+4.16=98--------> 98g/moli

98g H2S04---------------32gS

19, 6 g H2SO4------------xg S

x= 19,6 . 32 : 98= 6,4 g S

n= 6,4g : 32g/moli=  0,2 moli S