Question

Imi poate explica si mie cineva cum se face acest tip de problema?
In ce cantiate de x se gasesc x g de y.Ex: In ce cantiate de acid sulfuric se gasesc 64 g sulf
Ah= 1 AS=32 AO=16

Answer 1

H2SO4 are masa molara:
M=(2gH+32gS+4x16gO)/mol= 98g/mol

in 98g acid........32gS
 m=...................64gS
m= 196g acid