Question

how much amount of potassium iodide salt should be added to 100g water so that the resulting solution is 15%. (mass by mass) ​

Answer 1

Answer:

If we add x gm KI , the solution has mass of

100 g + x

x. = 0.15

(100 + x)

x = 100 g *.0.15 = 17.64 g KI

0.85