This page explains the safe use of muriatic acid (HCl) for cleaning concrete, emphasizing the need for dilution from concentrations of around 18%. It details dilution concepts, including the relations...This page explains the safe use of muriatic acid (HCl) for cleaning concrete, emphasizing the need for dilution from concentrations of around 18%. It details dilution concepts, including the relationship between initial and final concentrations and volumes. An illustrative example demonstrates how to dilute concentrated nitric acid to achieve a specific molarity, highlighting the importance of precise measurements with pipettes and micropipettes in laboratory settings.