Lab Reagent Add value to your laboratory supply chain with RXSOL titrants. Our competitive pricing, multiple facilities, and rigorous quality systems to help you reduce costs and increase throughput in your laboratory processes. From the discussion above, it should be clear that to make 1 Normal solution we need to know the, equivalent of NaOH, which is calculated by dividing Molecular weight by 1, that is 40 divided by 1= 40. So the equivalent weight of NaOH is 40. read more