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