Question

calculati masa ( in grame ) de hidrogen, de puritate 80%, necesara obtineri a 680g acid sulfhidric ( H2S )​

Answer 1

Răspuns:

Explicație:

H2+S=H2S

MH2=2 g/mol

MH2S=34g/mol

2gH2......34gH2S

x..............680 g

x=40 g

p=m practica/m teoretica *100

m p=p m teoretica /100=80* 40/100=32 g