Question

Calculează masa de acid sulfuric ce conține 12,044 .10^23 molecule



Urgentt va rogg

Answer 1

Răspuns:

Explicație:

12,044 .10²³molecule H2SO4

masa de H2SO4

1 mol H2SO4 ----------6,023.10²³molecule H2SO4

x moli-------------------------12,044 .10²³ molecule

n= 12,044 .10²³: 6,023.10²³ =2 moli H2SO4

m= n . M

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

m=2moli . 98g/moli=196 g H2SO4