This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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You're on a roll — I will solve question 37. 37. During a practical lesson, solution X was prepared by dissolving Y g of a mixture of sodium carbonate and sodium hydrogen carbonate in enough distilled water and made up to 500 ml of solution. About 25 cm^3 of the solution mixture was titrated with hydrochloric acid of molarity 0.1 M. First using phenolphthalein followed by screened methyl orange as indicators. *(i) The first step of the titration using phenolphthalein indicator required 25.0 cm^3 of the acid for the colour to be discharged and the equation for the reaction is: $Na_2CO_3(aq) +