Calculate the molarity of m.CO3 of5.0 of.CO3 react with 25cm3 of 0.5M HCL

Molarity of M.CO3 = (5.0 x 0.5) / 25 = 0.1M

Calculate the volume of 0.1M M.CO3. If 20cm3 of 0.5 HCL reacts with 0.1M of M.CO3.