SOLUTION: 1ml solution contain 0% serum. To this 2ml serum solution is added. so that the final concentration of the total 3ml solution is 10% serum. What % of 2ml serum solution was added t
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-> SOLUTION: 1ml solution contain 0% serum. To this 2ml serum solution is added. so that the final concentration of the total 3ml solution is 10% serum. What % of 2ml serum solution was added t
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Question 587962: 1ml solution contain 0% serum. To this 2ml serum solution is added. so that the final concentration of the total 3ml solution is 10% serum. What % of 2ml serum solution was added to make 1ml serum free solution to 10% serum solution? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! 1ml solution contain 0% serum. To this 2ml serum solution is added, so that the final concentration of the total 3ml solution is 10% serum.
What % of 2ml serum solution was added to make 1ml serum free solution to 10% serum solution?
:
Let x = per cent, in decimal form of the 2 ml solution added
:
2x = .10(2+1)
2x = .1(3)
2x = .3
x = .3/2
x = .15 which is 15% is the percent of the 2 ml added
