SOLUTION: i have one liter of pesticide 36% w/v, how many milliliters i need to take from the first one, to make a 30 liter of 0.5 %? thank you for helping us...

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Question 824291: i have one liter of pesticide 36% w/v, how many milliliters i need to take from the first one, to make a 30 liter of 0.5 %?
thank you for helping us...
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
That is 1000 ml. of 36% or 36 grams per 100 ml. of this concentrated pesticide.



10%2A36%2F%28v%2B1000%29=0.5
Find v.