Question

Calculati masa (grame) de CuSo4 necesara pentru a prepara 2 litri solutie 2M

Answer 1

c= n(niu)/ V
2=n/2------> n,mol= 4

M(miu),CuSO4=(64gCu+32gS+4x16gO)/mol=160g/mol
m= nxM
m= 4molx160g/mol=.....................calculeaza !!!!!