va rooooooooggggggg!!!!!!
e urgeeeeeenttt!
DAU COROANA!!!

Răspuns:
M,H2SO4=(2X1gH+32gS +4X16gO)/mol=98g/mol
1mol H2SO4..........2gH
4mol..........................x=8gH
M,HCl= (1gH + 35,5gCl)/mol= 36,5g/mol
36,5gHCl.........1gH
X................................8g
x= 292gHCl
Explicație: