On Standardization of 10 mL of NaOH approximately 0, 1 m with HCl, 9.5 mL of spent acid. Knowing that this acid was standardized with 5 mL of Na2CO3

0,05 m 0 where spent 4.8 mL determine the Molarity of HCl used and Molarity found to NaOH.

The question is written in such a manner that I can't make sense of it. Sorry.