A sample of chalk (`CaCO_(3))` is contaminated with calcium sulphate 1.0 g of the solid is
Channel: Doubtnut
Date: 12/07/2020

A sample of chalk (`CaCO_(3))` is contaminated with calcium sulphate 1.0 g of the solid is dissolved in 230 " mL of " `(N)/(10)` HCl, 40.1 `(N)/(10)` NaOH is requried to neutralise the excess acid. What ist he percentage of chalk in the mixture.