Question

Determining the Quantity of Solute by Titration

A mysterious white powder is found at a crime scene. A simple chemical analysis concludes that the powder is a mixture of sugar and morphine (C17H19NO3), a weak base similar to ammonia. The crime lab takes 10.00 mg of the mysterious white powder, dissolves it in 100.00 mL water, and titrates it to the equivalence point with 2.84 mL of a standard 0.0100 M  HCl solution. What is the percentage of morphine in the white powder?

	8.10%
	17.3%
	32.6%
	49.7%
	81.0%

Answer 1

Moauphine tha Male mas 225.34 l guivalenie Monphiae h malauf_ Mox fhola ofh Malanityx_Volhte 0100 mal x2yYo3 No of males of Masiphine =_d Puxdó3m 7May of Mosiphim= No fhnaley X Molay pmars yXdo molx25, 3 4 g1ma/ 0.00819 ofo of Moiphine= Mas of Marphin X do01 Man ot Poudot