Question

la concentracion molar de la sustancia 10g de kcl en 2 litros de solucion

Answer 1

Mm KCl = 74.55 g/mol

mol = masa/Mm

mol = 10 g/ 74,55 g/mol

mol = 0.134

M = mol / V(L)

M = 0.134 mol / 2 L

M = 0.067 mol/L