cemistry

A 0.8720-g sample of a mixture consisting solely of NaBr (102.89 g/mol) and KBr (119.00 g/mol) yields 1.505 g of AgBr (187.77 g/mol). Calculate the percent (%) of NaBr compound in the sample.

 

a. 60 % b. 40 % C. 30 % d. 70 %