No, a 38 percent HCl sol is not the same as 12 N HCl. The 38 percent HCl sol refers to a solution that contains 38 percent by weight of HCl, while 12 N HCl refers to a solution that contains 12 moles of HCl per liter of solution. These two concentrations are not equivalent.

To convert from percent by weight to molarity, we need to know the density of the solution. Assuming a density of 1.18 g/mL for the 38 percent HCl sol, we can calculate the molarity as follows:

Molarity = (Percent by weight / Molecular weight) × (1000 / Density)

Molarity = (38 g / 36.46 g/mol) × (1000 mL / 1.18 g/mL)

Molarity ≈ 10.47 N

Therefore, a 38 percent HCl sol is approximately equal to 10.47 N HCl, not 12 N HCl.