Asked by Terr

How many gtams of potassium bromide(KBr), could be recovered by evaoportating 650.g of 15 percent KBr solution to dryness?

Can you explain how to solve this?
Answered by DrBob222
15% KBr soln means 15 g KBr in 100 g soln. So all you need to do is to calculate the number of grams KBr in 650 g soln. That is simply
15 x (650/100) = ??