Question

How much of an 18% solution of sulfuric acid should be added to 360 ml of a 10% solution to obtain a 15% solution?

Answer 1

s(.18) + 360(.10) = (s+360)(.15) ; and solve for s

Answer 2

its either 60 or 54

Answer 3

am i right!

Answer 4

i think if you solve this you get 600, not 60. off by a decimal point