D1- which has been made by adding 0.55g of metal "M" to 1dm of an aqueous solution containing 0.179 moles of "HA". All of "M" has reacted but some of "HA" remains unreacted.
D2- a 0.1 mol dm-3 solution of Sodium hydroxide.
D1 and D2 are then titrated with a screened methyl orange indicator.
What titration results/burette readings did you record