SOLUTION: I have been working on this for some time. Thank you for your help. There is 300 g. of 20% hydrochloric acid solution. He needs to drain some off and replace it with an 80% solutio

Question 338179: I have been working on this for some time. Thank you for your help. There is 300 g. of 20% hydrochloric acid solution. He needs to drain some off and replace it with an 80% solution so as to obtain a 25% solution. How many grams must he drain and replace with the 80% solution? Again I thank you in advance for you help
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

So if you have been working on this for some time, what have you managed to accomplish so far? What have you tried?

John

My calculator said it, I believe it, that settles it

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